Windows Phone 7's big fall update is getting even bigger with two crucial features: turn-by-turn directions and speech-to-text messages.

The new features were revealed in the latest Windows Phone Dev Podcast. They'll go a long way toward helping Windows Phone 7 catch up with Android, which has offered extensive voice commands since last August and voice-guided GPS navigation since October 2009.

The podcast also described a Shazam-like song identification service called Bing Audio and another service called Bing Vision, which uses the phone's camera to identify text, bar codes and products -- kind like Google Goggles.

More: http://www.pcworld.com/article/227420/