Vlingo has released a major update to its voice recognition application for the iPhone. Initially released in late 2008, Vlingo was one of the first voice-powered iPhone apps to allow users to initiate calls, search the web and Google Maps and compose Facebook and Twitter status updates using voice commands. Vlingo 2.0 adds support for dictating and sending e-mail and SMS messages by voice and a completely redesigned user interface to improve easeā¦