In part 1 of this week's Tech News Round-up some tech developments are revealed at Microsoft's MIX 11 conference for developers and designers. FULL STORY >

A revised complaint by a New York fuel salesman claims he is entitled to a massive 50 percent share in Facebook. FULL STORY >

An American court of appeals has upheld the original settlement reached between Facebook and the now well-known Winklevoss twins. FULL STORY >

IT security firm Kaspersky Lab shares insight into the malware that has successfully affected Twitter over the last half a decade. FULL STORY >

As people try to come to terms with the devastation caused by the Tohoku earthquake, Sony announces special themes for PlayStation network donations. FULL STORY >

TechSmart takes a look at cellular networks mobile connectivity options and prepaid data rates. FULL STORY >

The PC Medic addresses some questions posed by TechSmart readers. FULL STORY >

Facebook is apparently in the process of testing new real-time advertising features, meaning what you say in a status update could impact what ads you see in future. FULL STORY >

In yet another buyout, Facebook acquires mobile app developers Snaptu. FULL STORY >

Twitters settles on an FTC agreement which sees the site paying the price for some extensive 2009 hacking attacks. FULL STORY >

YouTube announces its acquisition of Next New Networks, a high quality web video production company. FULL STORY >

TechSmart brings you the latest tech news from CeBIT in part 2 of this week's Tech News Round-up, whilst Charlie Sheen also sets a new Twitter record. FULL STORY >

Facebook continues growing as it acquires group messaging service Beluga. FULL STORY >

Lenovo join Sony and Apple in announcing its latest notebook range in part 2 of this week's Tech News Round-up, with a new Symbian^3 UI reportedly in the works. FULL STORY >

RIM announces a new update to Twitter for BlackBerry smartphones. FULL STORY >