MapQuest, Google, and Ashton Kutcher's Foursquare.com

This off-publishing topic interests me because I've never really needed GPS or any kind of map service to get me from point A to point B. I even posted about it here before once in one of my WTF posts. My mom and dad live by Onstar; I have friends who never leave the house without using some kind of GPS.

I've never really needed it. But I do like to keep up just in case I do need something one day. This article from Cnet talks about MapQuest and free voice prompts for route guidance.

In the o...