I have both an iPhone 4s and a Nexus S. The first thing I did when I got the iPhone was to play with Siri for an hour. Only tonight did I realize that Android

I have both an iPhone 4s and a Nexus S. The first thing I did when I got the iPhone was to play with Siri for an hour. Only tonight did I realize that Android also has voice recognition, and it's pretty good. But the threat of Siri is very real, mostly due to Apple's marketing.