Acquisition, Startup | featured news

Yahoo (YHOO) announced its first acquisition under CEO Marissa Mayer on Thursday, a New York-based mobile startup named Stamped that was founded by two former Google (GOOG) employees and received financing from celebrities including Justin Bieber.

Salesforce.com is expected to buy start-up GoInstant for more than $70 million, as the big provider of online business software beefs up its customer-service offerings.

Google's mergers and acquisitions chief said he plans to be aggressive this year, despite challenges that include soaring valuations for some Web start-ups.

The Walt Disney Company became Hollywood's leading player in the booming social gaming business on Tuesday with the purchase of Playdom in a deal valued at $763.2 million.

Apple has purchased chip start-up Intrinsity whose technology analysts say was behind the chip used in the new iPad.

Divvyshot, a photo-sharing start-up, said it had received an offer from Facebook it couldn't refuse.

Google has acquired DocVerse, a technology start-up that allows people to collaborate on Microsoft Office files online, for about $25 million.

Facebook appears to have made a third acquisition — this one smaller than its two previous buys. What’s more, Facebook has shut down the company’s service immediately.

Last month Skype was in talks to acquire VoIP startup Gizmo5. It was a perfect backup plan in case all that IP litigation didn't work out.