Marcio Jose Sanchez/AP Good morning! Here’s the news of the day: Facebook will launch a mobile ad network at its developers conference F8, which happens at the end of the month.  Jack Dorsey’s hyped payments startup Square has talked to Google about a possible sale as its losses are growing.  Google made a high-profile hire for Calico, it’s anti-aging/anti-death health startup. It hired Cynthia Kenyon, a high-profile biochemist and biophysicist at the University of California.

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10 Things In Tech You Need To Know This Morning