Google reveals energy use to show search is green (Update)

(AP) -- Stung by concerns that using Google is bad for the planet, the Internet search giant has revealed exactly how much electricity the company uses and how much greenhouse gases it produces in an effort to show its business ...

Twitter buys TweetDeck for reported $40M to $50M

Twitter has bought TweetDeck, a London-based startup that helps people read, write and organize the short messages posted on the online network - and will keep the service going.

China to further tighten control of microblogs

A senior Chinese propaganda official has said real-name registration for the nation's hugely popular microblogs will be expanded, as authorities tighten their grip on the web amid fear of unrest.

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