:00:03. > :00:12.officers. Now it is time for Click. Mobile phones can be tracked. The
:00:12. > :00:22.internet can be monitored. So why can't be predicted a riot? -- Why
:00:22. > :00:26.
:00:26. > :00:32.Can't We predict a right? We will look at the technology behind this
:00:32. > :00:42.week's riots. Just how much blame can we place on BlackBerry, Twitter
:00:42. > :00:44.
:00:44. > :00:53.or Facebook. We take you on a journey into sound. All the latest
:00:53. > :00:58.tech news and webscape. Over the last week, England has seen the
:00:58. > :01:02.worst riots in living memory. What started as a protest at a police
:01:02. > :01:11.shooting of a young man in London quickly escalated into several
:01:11. > :01:18.nights of chaos. Shops were ransacked, police were attacked and
:01:18. > :01:23.buildings burned. Unlike previous disturbances and demonstrations
:01:23. > :01:27.this was not just one large mass of people moving through a city. Mops
:01:27. > :01:37.appeared to spring from the way before disappearing again only for
:01:37. > :01:38.
:01:38. > :01:43.a different group to so bring up someone else. How did they know a
:01:43. > :01:47.way to meet and why did the police knocked me that? This is not the
:01:47. > :01:53.first time that mobile phones and social networks have been used to
:01:53. > :01:58.organise large crowds. We explained how Facebook had been used to build
:01:58. > :02:04.a groundswell of support for uprisings in North Africa and the
:02:04. > :02:09.Middle East and how Twitter had been used to disseminate
:02:09. > :02:13.instructions to protesters in London after they had begun. Any
:02:14. > :02:19.one, including the police, can monitor the chapter, as long as
:02:19. > :02:24.they are looking in the right place. This time the rioters used a more
:02:24. > :02:34.private way to get in message out, one which a boy did the days of the
:02:34. > :02:35.
:02:35. > :02:40.authorities. -- avoided the view of the authorities. BlackBerry is the
:02:40. > :02:46.most popular phone among young people in the UK. That is partly
:02:46. > :02:52.down to the BlackBerry Messenger service. Only those invited to the
:02:52. > :02:58.group can read them. That makes it difficult for police to see what is
:02:58. > :03:04.being organised and spot clues as to where trouble might happen next.
:03:04. > :03:08.Messages are encrypted before they leave the handset and the data is
:03:08. > :03:14.transmitted to BlackBerry service in Canada before being sent on to
:03:14. > :03:18.the recipient devices over the mobile phone networks. One of the
:03:18. > :03:23.ways that have been communicating is by a BlackBerry Messenger
:03:23. > :03:28.because it cannot be traced and is difficult for the police to track.
:03:28. > :03:33.If it is technically possible I would like to see BlackBerry
:03:33. > :03:36.Messenger disabled from 6pm at night to 6am in the morning to stop
:03:36. > :03:43.the people co-ordinating these things from organising in the way
:03:43. > :03:45.they have been. In the UK we have something called the Regulation of
:03:45. > :03:50.investigatory Powers Act, Regulation of Investigatory Powers
:03:50. > :03:54.Act, which allows police to monitor communications in some
:03:54. > :04:04.circumstances. It is not a licence to sit through everyone's
:04:04. > :04:12.
:04:12. > :04:18.Communications. -- sift through. The maker of BlackBerry, RIM said:.
:04:18. > :04:24.We complied with the Regulation of investigatory Powers Act and co-
:04:24. > :04:34.operate fully with police forces. They will already want to know his
:04:34. > :04:42.
:04:43. > :04:49.records they want to see. -- whose records. In right situation, on
:04:49. > :04:56.dark nights with covered faces, surely it should be possible to use
:04:56. > :04:59.technology to trace those involved. One lawyer, a former advisor to the
:04:59. > :05:07.government on covert policing, says it is far more difficult than you
:05:07. > :05:16.might think. They are no doubt it responsible commercial entity that
:05:16. > :05:22.will want to with this the police. It is questionable inveigled hands
:05:22. > :05:31.whether they can offer that. It may be a breach of the Data Protection
:05:31. > :05:37.Act. The Mutual Assistance Agreement is engaged and it becomes
:05:37. > :05:41.more bureaucratic, time consuming and problematic. In the next few
:05:41. > :05:45.weeks we will find out it ANA chronic evidence helps the police
:05:45. > :05:53.to track down those responsible for scenes like these. -- electronic
:05:53. > :05:57.evidence. The government has promised to look into whether it
:05:57. > :06:04.would be right to stop people communicating by social media if
:06:04. > :06:11.they know it there are putting social disruption. This is not
:06:11. > :06:15.simply a demonstration of how social media can wreak havoc. As
:06:15. > :06:20.events quickly unfolded local forums and services like Twitter
:06:20. > :06:25.helped to keep some Londoners aware of rioting in their area. One
:06:25. > :06:35.social media experts used his skills to post an inner piloting
:06:35. > :06:36.
:06:36. > :06:41.the trouble spots. I started to put some of the riots on a Google Maps
:06:41. > :06:48.and work out what they were. Quickly it became apparent the were
:06:48. > :06:53.riots in different parts of London. So will I thought that we needed to
:06:53. > :06:59.add this to work out that people could share with other people and
:06:59. > :07:04.work out what was actually a right and what was a remark. Discounting
:07:04. > :07:09.and sit in fact from online fiction almost requires the skills they did
:07:09. > :07:15.it will detected. Some people were reporting that tanks were coming
:07:15. > :07:19.into London. That was a message about tanks in Egypt from four
:07:19. > :07:27.months ago. The difficulty is that you do not know whether something
:07:27. > :07:34.is true or false. I was involved in making sure that established news
:07:34. > :07:42.organisations were reporting on the same thing. I checked local
:07:42. > :07:45.newspapers and saw what people wrote in their own blocks. And
:07:45. > :07:49.seeing whether lots of different people were talking about the same
:07:49. > :07:57.thing in different ways. The police have also turned to
:07:57. > :08:05.social media hoping to identify rioters and looters. They posted
:08:05. > :08:15.CCTV images on their website and Flickr. In a matter of a was the
:08:15. > :08:21.
:08:21. > :08:31.Riot Clean Up bit her at her amassed $30,000. -- tweeter. A lot
:08:31. > :08:32.
:08:32. > :08:36.of kids were not local. Twitter has brought more people here this
:08:36. > :08:46.morning and writers last night. A thing that sends a very powerful
:08:46. > :08:54.
:08:54. > :09:04.message. With me is the editor up of a take block, Mike Butcher.
:09:04. > :09:07.
:09:07. > :09:15.Should we be blaming the technology you? You can use it to make good
:09:15. > :09:25.phone calls or bad for an calls. It is a power using the technology to
:09:25. > :09:30.amplify an existing situation. At the same time social media and the
:09:30. > :09:36.BlackBerry can be used to bring the community together. How realistic
:09:36. > :09:46.is it that BlackBerry Messenger could be shut down at particular
:09:46. > :09:54.
:09:54. > :10:02.flashpoints like riots or protests Kris -- --? Obviously it is cutting
:10:02. > :10:12.off a said this. But in extreme circumstances like terrorist
:10:12. > :10:14.
:10:14. > :10:20.attacks the mobile phone network you shut down for various reasons.
:10:20. > :10:29.The BlackBerry Messenger service is run by Research In Motion. The
:10:29. > :10:38.BlackBerry network would take those SIM parts of the network. -- SIM
:10:38. > :10:43.hearts. People could switch to other replications. They do not
:10:43. > :10:46.necessarily only carried one handset. It is not just about
:10:46. > :10:53.taking one type of service up the network. People will find other
:10:53. > :11:03.means. I am sure you will have views on this but please get in
:11:03. > :11:06.
:11:06. > :11:15.touch with us. The latest Tablet launch has not
:11:15. > :11:17.gone to plan. A German court has granted Apple an injunction
:11:17. > :11:27.stopping the Gallop seat have leapt from being sold anywhere in the EU
:11:27. > :11:32.except for the Netherlands. -- Alexei have. They said they would
:11:32. > :11:38.act immediately to defend their intellectual property rights.
:11:38. > :11:45.Facebook has launched its own Messenger this week. It works
:11:45. > :11:52.across different platforms to both iPhone and Android phones. Uses
:11:52. > :11:57.will also be able to send SMS messages to mobiles. It comes among
:11:57. > :12:01.the head of Apple's release which also includes an integrated
:12:02. > :12:11.messenger. 22 fate apple stores have been discovered in China.
:12:11. > :12:17.Earlier this month we discovered five baked apple shops in the same
:12:17. > :12:24.city. The retail watchdog has said that a hot line for people to
:12:24. > :12:31.report them. We all none at least one of them.
:12:31. > :12:36.You may very well be one of them. I am talking about audio files,
:12:36. > :12:40.people who spend a disproportionate amount of time and money in the
:12:40. > :12:44.pursuit of sound perfection. Have you wondered whether these people
:12:44. > :12:48.are wasting their money? There are small things anyone can do to
:12:48. > :12:58.improve the quality of their sound system without blowing get that
:12:58. > :13:03.balance. We have been looking at the evolution of home audio. The
:13:03. > :13:11.breathtaking sounds of a live orchestra. Everyone is aiming for
:13:11. > :13:17.one thing. The hairs on the back of unit. A bunch of musicians in your
:13:17. > :13:23.living room may be impractical, but that is the idea when you listen to
:13:23. > :13:29.a recording of the BBC Philharmonic. And her wit his record it is the
:13:29. > :13:37.first state of high quality sound reproduction. The equipment is
:13:37. > :13:43.formidable. The thing in the middle records the whole orchestra. Other
:13:43. > :13:48.microphones report each individual instrument in case it needs a boost.
:13:48. > :13:53.We have a sound maestro who has the best years in the business. All the
:13:53. > :14:00.microphones are patched into imports in the floor. They are
:14:00. > :14:07.converted into digital signals. The whole thing is digitised and then
:14:07. > :14:11.we arrived at the centre of the studio, which is these sound desk.
:14:11. > :14:18.When setting up your system, if the speakers are not pointing to your
:14:18. > :14:25.ears, you name is the top notes. The speakers are designed for the
:14:25. > :14:31.person sitting at the desk. Even at the back of the control room miss a
:14:31. > :14:41.lot of those high frequencies. I asked them to come over here and it
:14:41. > :14:45.
:14:45. > :14:49.These days there are many soundbox. But there is a special kind of
:14:49. > :14:55.audiophile bat spends above and beyond most of us. Welcome to high-
:14:55. > :15:03.end audio. You are looking at around �10,000 worth of speakers
:15:03. > :15:12.being made. High Speed Two coats each ranging different speaker
:15:12. > :15:21.frequencies. there are projections of how loudspeakers may behave
:15:21. > :15:27.before even building them. That is his and a colleague or echoless
:15:27. > :15:32.chamber - -- chamber. He still has to spend a lot of time testing
:15:32. > :15:37.prototypes. The more we can spend on it, materials and construction
:15:37. > :15:41.and research and development, the closer we can get the idea of this
:15:42. > :15:50.perfect Speaker with a beautifully flat frequency response, without
:15:50. > :15:55.any Cabinet coloration. He is trying to get better stereo imaging.
:15:55. > :15:59.But the biggest obstacle is space which this acoustic professor is
:15:59. > :16:02.all too aware of. You do not get the true sound of the orchestra
:16:02. > :16:06.because the living room you have to put the sound through is nothing
:16:06. > :16:10.like a concert hall and you cannot take that out of the equation. It
:16:10. > :16:13.will bounce off the walls and you will hear the effects and
:16:13. > :16:17.reflections. So you have an augmentation of the sound that
:16:17. > :16:22.would never happen in a real concert hall. So it always sounds
:16:22. > :16:27.different are the real space. You can get rid of those imperfections
:16:27. > :16:33.by putting in the could mean. Or perhaps scatter the sound. So put
:16:33. > :16:38.things that would make the sound bounced off in different directions.
:16:38. > :16:42.That can be specialist material or things like bookcases. That makes
:16:42. > :16:51.the groom appeared eager. Because your living room is too small and
:16:51. > :16:54.the reflections arrive early. If they arrive early, you can get them
:16:54. > :17:00.to bat in different directions are we to Piers bigger. There is more
:17:01. > :17:05.take on the way. These people think it is worth going back in time to
:17:05. > :17:11.search for the sound of the future. One idea that has been around since
:17:11. > :17:15.the 70s is a wave field synthesis system. A circle of a one UN -- of
:17:15. > :17:20.a number of deer hide speakers that creates a surround-sound blanket.
:17:20. > :17:27.In this case, it is a cafe. Listeners inside feel they can
:17:27. > :17:33.point directly at a source. It laughs in the face of me a stereo.
:17:33. > :17:40.Stereo at home is very simply... It relies on the feeling that
:17:40. > :17:45.something is moving in the sound field. Stereo also depends on this
:17:45. > :17:55.idea of experience in the sound desk between the speakers. We have
:17:55. > :18:00.a large sound -- large space where people can experience that feeling.
:18:00. > :18:04.Currently, this system could set you back about �200,000. But this
:18:04. > :18:10.kid only cost one-tenth of that and is running on a household PC. This
:18:10. > :18:16.step closer to home. But assuming you do not have time or space for
:18:16. > :18:21.128 because, how about just 14? Another all be but goody has been
:18:21. > :18:26.given a modern twist. With six speakers at the height, and four on
:18:26. > :18:30.the ceiling and four on the floor, sound can be placed anywhere. This
:18:31. > :18:37.demonstration used as a connect Controller to help you move it
:18:37. > :18:42.around. We are looking at have been 5.1 surround-sound. In the future
:18:43. > :18:46.you might want three-dimensional sound. So we are looking at the
:18:47. > :18:50.only a new level of experience into the mix. In this set-up, the
:18:50. > :18:55.computer works out how to direct the sound once you tell it where
:18:55. > :19:03.the speakers are. This is still some years from mass-production.
:19:03. > :19:08.But the sound processing programmes can be down that -- downloaded. It
:19:08. > :19:12.can be used with only one speaker as well. It is a great example of
:19:12. > :19:16.how the quest for perfect sound reproduction always comes back to
:19:16. > :19:22.individual preference. Of course, everybody hears the world Evenley
:19:22. > :19:29.but one thing experts agree on is how to buy a ticket. Try it and if
:19:30. > :19:33.you like it, buy it. Just do not get our reporter
:19:33. > :19:38.started on commerce. It will be there all day.
:19:38. > :19:42.Here on Click, we are always receding links. You suggest them on
:19:42. > :19:48.e-mail or post them online. The problem is, we never know were
:19:48. > :19:52.there a link is safe to click on. If it comes from an unknown source,
:19:52. > :19:57.the best thing to do is pass it on to Kate Russell who can take it out
:19:57. > :20:01.for you. A good rule of thumb for the
:20:01. > :20:11.internet is be careful where you put your mouse pointer. You never
:20:11. > :20:11.
:20:11. > :20:18.know what might be lurking behind that harmless looking URL. Viruses
:20:18. > :20:21.are always a potential risk if you do not recognise the sender of the
:20:22. > :20:27.link. Even your friends can send you something nasty if they have
:20:27. > :20:35.been infected with the virus themselves. That is why you might
:20:35. > :20:41.want to bookmark this link. Feed this website a URL and it will spit
:20:41. > :20:48.out a report that you can rely on. It is free and easy to use which is
:20:48. > :20:51.great when you consider how much heartache it can save you. Some PC
:20:51. > :21:00.security programmes Oprah this feature as well but if yours does
:21:00. > :21:04.not, this is a good free alternative. -- offer. So feel you
:21:04. > :21:09.need never suffer from viruses again.
:21:09. > :21:14.I showed you an online contact card last month and now I will go one
:21:14. > :21:23.better with a free business card up for your smartphone that led to
:21:23. > :21:30.share contact instantly. Set up and leading your social account is very
:21:30. > :21:33.easy and then you are ready to share. If you have somehow been
:21:33. > :21:37.transported back in time and the person you are trying to connect
:21:37. > :21:42.with does not have a mobile or at least the application installed,
:21:42. > :21:47.you can also e-mail it straight from your hand said. And it gives
:21:47. > :21:51.your meetings contexts, saving a GPS marker with a business card to
:21:51. > :21:57.remind you where you met. This information is also stalled on the
:21:57. > :22:07.dashboard along with any notes on meetings you want to add. It can be
:22:07. > :22:09.
:22:09. > :22:14.very handy with the terrible memory I have. It isn't everything but
:22:14. > :22:22.sometimes it is good to know how small something years, especially
:22:22. > :22:26.when it comes to mobile technology. This website is not particularly
:22:26. > :22:30.sophisticated but when you tell it the size of your monitor, it will
:22:30. > :22:39.display items in their real size. If you are feeling generous, you
:22:40. > :22:49.can help build the database by adding the size. My head is not
:22:50. > :22:50.
:22:50. > :22:53.that be, you know. -- beak. While the UK is preoccupied with news
:22:54. > :22:58.about the looting, it is worth remembering there are other
:22:58. > :23:07.important stories as well. Like the crisis unfolding in East Africa.
:23:07. > :23:17.Social media can be powerful in these cases to. As shown at
:23:17. > :23:26.good.byideas.co.uk. They ask for fundraising ideas developed by
:23:26. > :23:35.volunteers. Come up with a good solution and posted on the site. It
:23:35. > :23:42.is a good use of the internet. If you would like to suggest a site
:23:42. > :23:48.or app for a future Webscape, send it across to ask. Or you can tweet
:23:48. > :23:54.us. All of the Links Trust this week's programme are a available at
:23:54. > :24:01.our website. The address you need. You may also like to click across
:24:01. > :24:05.to Click on the radio. More on the riots in England and
:24:06. > :24:13.also, how roadblocks are learning new skills by being piloted by real
:24:13. > :24:23.people over the internet. That's it for Click on TV today. Thank you
:24:23. > :24:32.
:24:32. > :24:36.ball-watching. Good morning. It may not be the
:24:36. > :24:41.forecast you want at this time of year but we lose the bulk of the
:24:42. > :24:47.wet weather and it is a slow improvement this weekend. After a
:24:47. > :24:56.disappointing start, it may Brighton today. Bright rather than
:24:56. > :25:04.sunny. There may be some rain Deraa -- towards the south-east. It will
:25:04. > :25:08.be a mild start to our weekend across the UK, particularly across
:25:08. > :25:13.central and eastern areas. It will be another warm and humid feel want
:25:13. > :25:18.the news that rain to the south- east corner. Already we can see the
:25:18. > :25:24.improvement along the Dorset coast and through the Isle of Wight. To
:25:24. > :25:28.London at 9am, it will be cloudy, grey and wet. The same for East
:25:29. > :25:32.Anglia. There will be an improvement eventually. Glimpses of
:25:32. > :25:37.sunshine to the east of the Pennines. The cloud and rain that
:25:37. > :25:42.is clearing from the Northern Isles. A wet start. A few showers across
:25:42. > :25:49.western Scotland. A better morning in Northern Ireland but it will be
:25:49. > :25:57.cloudy. 13 degrees expected with a light breeze. Cloud for Wales. It
:25:57. > :26:05.will be a rainy morning. We are optimistic the crowd will tend to
:26:05. > :26:10.live and bright and somewhat in one or two places as the rain eases.
:26:10. > :26:18.Some sunny spells. With some sunshine coming through, it will
:26:18. > :26:26.feel humid in the south-eastern corner. Temperatures around 21-23
:26:26. > :26:34.degrees. Further west, stubborn thicker cloud resulting in lower
:26:34. > :26:44.temperatures. There may be drizzly showers but on the whole, not a bad
:26:44. > :26:49.affair. Taking a look at Saturday, the Kent coast baby affected with
:26:49. > :26:56.drizzly weather. But we are hopeful of sunshine coming through on