in this way and they made famous from napster you know napster was very few became very famous and victorians and bit torrent it torrents for movies again so you're now this is being applied to currencies right now it's being applied to currency so you can think of it as bit torrents for movies applied to currencies you can also think of it as p.g.p. encrypted email p.g.p. for money there's another way to think of it people know about pretty good privacy for email p.g.p. is an encryption technology that that's readily available readily available now it wasn't at first but now you can have and to and secure email rights to take us a text or a transaction so normal transaction using bitcoin on the web so how would i as a consumer how do i do i interact with it well as a consumer you would initially download the bitcoin client and you would do that from bitcoin dot org it's open source software and the currency is not centrally managed it's not the it's not centrally issued and the transactions aren't centrally verified all those tasks are performed by the collective nudes of the network so it's

became mayor in november but his roots were in silicon valley working at companies such as netscape, napster, and several startups. friends came by with flowers. >> he touched so many people and he was such a great human being. >> he was full of optimism. he made people think about the possibilities. he is a great man. >> reporter: tonight on his facebook page, people posted condolences and remembered his leadership as a role model and a man with a sense of humor and a desire to make a difference. >> he had a collection of guitars and wanted to play. he went mountain climbing and let a fun and balanced life. >> reporter: a private funeral and public service are being planned for sometime in the coming weeks. reporting live, jana katsuyama ktvu channel 2 news. >>> we are following developing news in napa county. a major water main break has knocked out water to two cities. city officials say the rapture is in a transmission line and let it happen sometime this afternoon. they say after crews isolate the problem, repairs will begin. customers who still have water pressure may notice brown sedi

it off in libya as the people's revolution how do you think that the involvement of native napster corrupts the idea of this revolutionary fervor amongst the people but i think it's really just the most is the idea of popular sovereignty that's been very much the case in all these uprisings recently it's been very much about. people coming to the fore finding their political voice and saying that they want things to be run differently and they want the people to determine their through the power box or whatever democratic form they choose and of course if you have foreign powers intervening on one side or the other in that conflict i think it does really withdraw the popular sovereignty element particularly when you consider the key countries involved in the intervention that's to say initially of course britain and france both have a long history and tradition of colonial intervention in that region and of course the united states since the second world war also has a history of military and political intervention in north africa and the middle east so it's a bit like a throwback almost a

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reporter: his roots were in silican valley as a well known engineer and online tech entrepreneur as napster, discovery channel and several start ups. that san carlos, flags were lowered to half staff and people came with flowers. >> none of us were prepared for it. >> he inspired activism. wherever he went he knew people and talked about the possibilities of things. >> reporter: today on ahmad's facebook page a long list of people listed condolences. and remembered ahmad as a leader. ahmad is survived by his parents and a star. jana katsuyama, ktvu news. >>> san francisco supervisors took a definitive step today toward reducing the amount of wasted paper from people throwing out their phone books. supervisors approved a move to forbid phone books from being left on doorsteps. >>> the proposal could be a moneymaker, b.a.r.t. could receive millions from an advertising company for displaying commercials. the b.a.r.t. board is expected to take up the measure this thursday. >>> the fog is moving in quickly tonight, lots of fog moving in around the bay. temperatures are going to start dropping he

reporter: his roots were in silican valley as a well known engineer and online tech entrepreneur as napster, discovery channel and several start ups. that san carlos, flags were lowered to half staff and people came with flowers. >> none of us were prepared for it. >> he inspired activism. wherever he went he knew people and talked about the possibilities of things. >> reporter: today on ahmad's facebook page a long list of people listed condolences. and remembered ahmad as a leader. ahmad is survived by his parents and a star. jana katsuyama, ktvu news. >>> san francisco supervisors took a definitive step today toward reducing the amount of wasted paper from people throwing out their phone books. supervisors approved a move to forbid phone books from being left on doorsteps. >>> the proposal could be a moneymaker, b.a.r.t. could receive millions from an advertising company for displaying commercials. the b.a.r.t. board is expected to take up the measure this thursday. >>> the fog is moving in quickly tonight, lots of fog moving in around the bay. temperatures are going to start dropping he