The engineers behind Google Talk have also made mention of new mobile versions of the chat software that are expected in coming months.

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The project led Dr Mitra to set up the Granny Cloud, which uses volunteers - usually retired people - in the UK to teach Indian children via Skype's video chat software.

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Apple unveiled video chat software, called FaceTime, for the iPhone in July and has an interest in extending that feature to as many of its devices as possible.

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"We keep in touch through a chat page on CBS Sportsline, " which provides the software and content to run the league.

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Google and Singtel are rapidly signing up small and medium-sized companies in Asia to use the Google Apps suite of web software (email, video, chat, office software like Microsoft Office).

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They came together only through the Internet where they exchanged stolen software in secret Web sites or by invitation-only chat rooms.

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