Every day, the Fortune staff spends hours poring over tech stories, posts, and reviews from all over the Web to keep tabs on the companies that matter. We’ve assembled the day’s most newsworthy bits below.

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  In light of reports that private equity players approached AOL and News Corp. to make unsolicited bids for Yahoo, the Internet company has asked Goldman Sachs to check out of the validity of this interest and the next steps to take. (The Wall Street Journal)
• Hard drive maker Seagate Technology is considering an offer from an undisclosed company to take it private. (Emii)
• Mozilla selected SAP Senior VP Gary Kovacs as the company’s new CEO. (infoTech Spotlight)
• A new Nielsen report confirms that teens text a lot — an average of 3,339 a month — but that 38% of teens also use tons of mobile apps too, including Facebook, Pandora and YouTube. (Read Write Web)
• A.M.D.’s third-quarter loss of $118 million was slightly less than the same period last year, of $128 million. But the company says it would have earned more had it not been been for its stake in factories spun off last year. (TechEYE)
• UberCab, an car service request mobile app, raised $1.25 million from First Round Capital, Lowercase Capital, and Founder Collective. (TechCrunch)
• According to Flurry analytics firm, sales of virtual goods within Apple iOS now beats ad sales (80% to 20%) (9 to 5 Mac)