Whereboutz

Whereboutz is a service that allows you to share your location with friends and let them know what you're up toit is available as a Facebook application and a free mobile application. Once you start using Whereboutz, you'll realize just how easy it is to meet up with friends near you. Use Whereboutz every day (many times a day!) to tell your Facebook friends where you are and what you're up toeither from your computer, or from your cell phone. When you post, your friends can find you on a map on Facebook or their cell phone.