Tech Business Relay: Facebook Overhauls Open Graph, Clearwire Trips Breakers

Facebook (NASDAQ:FB) launches a big overhaul of its popular Open Graph social sharing platform, which looks to reduce spam. The newly remade platform will not permit “Custom actions” from developers that automatically share activity and also removed is an API which enables users to post activity to a friend’s wall.

Groupon (NASDAQ:GRPN) shares move up Thursday, following a fall Wednesday in reaction to word of eBay’s (NASDAQ:EBAY) entry into the daily deals market. For its part, the former intends to introduce a new ad campaign that will launch in the first quarter and also plans to choose an agency partner in the current quarter.

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Shares of the 4 gigabyte network owner Clearwire Corporation (NASDAQ:CLWR) tripped up circuit breakers, gaining more than half their value as the firm canceled a Deutsche Bank conference appearance while taking a prominent role in the Sprint-SoftBank media circus. At the moment, David Faber now says it will be Sprint Nextel Corporation (NYSE:S), rather than SoftBank, who would purchase Clearwire in any deal, while SoftBank would take a 70 percent plus interest in Sprint. Further, Faber’s sources say that the odds of a deal are still higher than 50/50, but that the day’s leaks reduced the chances. Meanwhile, observers could use a flow chart to track the rumors.

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