You can transmit position, photos and messages (SMS,mails) of any length in real time. Your buddies can watch your tours (tracks and photos) in real time and free of charge over the Watchee web portal and even chat with you. You can see the distance and movement details of your buddy on your phone. Further features are for example to view the history tracks on the web portal and to grant fine grained access permissions to buddies. The only charge is the costs for data transfer (GPRS costs of your phone provider) which are very small as the data is highest compressed. An iPhone client is in beta stage and released soon. http://watchee.net