Joost, the web TV company launched by the founders of Skype, rolled out its full commercial service today offering 150 channels of ad-supported TV online.
The Joost service has been running an extended beta trial, or test version, since December 2006 and is now open to the public.
Content includes programming from broadcast networks including CBS, Viacom and Turner Broadcasting.
Shows available include CSI, Survivor, Beavis and Butthead and Transformers, as well as classic series such as Charlie's Angels, Starsky and Hutch and Spiderman.
The Turner Broadcasting executive vice-president of business development, Dennis Quinn, said the company hoped to reach a new audience through the web TV service.
"Online distribution is extremely important to Turner and with Joost we are confident that our programming is secure and distributed in the high quality format that is true to our brands," Mr Quinn added.
Content varies according to each region, but Joost has said it is negotiating more international deals.
Users can search a programme guide by genre or by keyword and the founders are keen to emphasise the community aspects of the Joost service.
These include a channel-specific chatroom, integration with instant messenging services including Google's Talk tool and a ranking feature. Users can also create their own playlists of favourite content.
The service recently announced that 32 blue-chip advertisers have signed up, including Coca-Cola, Nike, Microsoft and Nokia NSeries.
Adverts will be in the form of conventional TV ad breaks and pre-roll formats - where the ad runs before video content - and will be introduced onto relevant content over the next three months.
Content providers can also bring their own existing advertisers onto the Joost service.
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