Dragon Go! fron Nuance was already a great way to find information by voice on the iPhone. It's free, and I often used it as a demo to show what the iPhone could do. Then, along came Siri and it got the Lion's share of attention from users and the press. With a new version of Dragon Go!, released today, the app has gotten smarter and does a few things Siri can't do. The app has added one big source of travel information, Expedia. which gives it a competitive edge against Siri and newcomer
