Google Latitude for iPhone available to some. Article updated at 4:35 p.m.
PT with more information from Google's official announcement. Starting Thursday, iPhone users surfing to m.google.com/latitude can access Google Latitude, Google's friend-tracking feature. 9 Awesome & Useful Google Maps Mashups. Paper maps are SO over.
Using Google Maps these days, you can do literally anything you can think of. Want to map your own weather radar? Done. See Location of all your Facebook Friends on a Google Map.