What you need to know - 03/21/11

AT&T acquiring T-Mobile for $39 billion; Facebook acquiring mobile app developer Snaptu

AVG Technologies, provider of consumer security software, secured $235 million from J.P Morgan and Morgan Stanley, in its first-ever capital markets transaction.

A bit unsurprising: social networks aren't growing as fast as they used to, according to eMarketer.

Facebook Places is now available in more countries, including Bulgaria, Brazil, India, Egypt, South Africa, the Philippines and Israel.

Google Voice has integrated with Sprint.

Yes, Groupon is worth $25 billion, because it has revolutionized commerce.

OwnZones Media Network, Inc. completed a $500,000 initial round of funding.

Facebook has agreed to acquire mobile app developer Snaptu for an undisclosed sum.

StellaService, which rates the customer service of online businesses, raised $2 million in funding led by Battery Ventures and DFJ Gotham Ventures.

AT&T will acquire T-Mobile USA from Deutsche Telekom in a cash-and-stock transaction currently valued at approximately $39 billion.

Two videos of students, featuring racism and violence, went viral last week that resurface accountability issues for the schools involved.