Apple has just announced at today’s�iPad 2 media event that iOS 4.3 will be released on March 11th. iOS 4.3 includes a number of new features and improvements such as faster Safari mobile browser performance as it uses the Nitro Javascript engine, iTunes home sharing, AirPlay enhancements, toggle for iPad�s side switch and personal hotspot […] iPhone Hacks � iOS 4.3, iPhone 4.3