Google Maps Mobile now lets you track your friends location.  Great for meeting up or just knowing where everyone is.  Don’t worry you can turn the feature off when you wana hide.  Works great on my Moto Q9h for on AT&T, Check it out..

Google Latitude is a feature of Google Maps for mobile on these phones:

• Android-powered devices, such as the T-Mobile G1
• iPhone and iPod touch devices (coming soon)
• most color BlackBerry devices
• most Windows Mobile 5.0+ devices
• most Symbian S60 devices (Nokia smartphones)
• many Java-enabled (J2ME) mobile phones, such as Sony Ericsson devices (coming soon)