Yahoo acquires Xobni, aims for smarter contacts in its services

Yahoo must be starting the summer with an acquisition spree: it bought Qwiki yesterday, and it's buying Xobni today in a deal that AllThingsD estimates is worth $30 million to $40 million. The acquisition gives Yahoo a developer with experience in creating automatic, connected address books -- a perfect fit for a web giant that has been revamping its email and social services. Neither of the new partners is talking about what they'll create together, although Xobni is no longer accepting new cus...