These are some idea's that tribe.net has given..

# Find/List a Job - Browse and post job listings created by people in your network

# Get a roommate - Why live with a complete stranger, when you could live with the friend of a friend?

# Buy and sell - Would you rather go to a used car lot, or buy a minivan from your co-worker's reliable sister? Sell your stuff to friends of friends, and people you know will cherish your used possessions.

# Create and manage groups of people - Use Tribe.net to organize your existing groups and/or identify and draw together individuals who share a common interest. These Tribes can be focused on any subject, affiliation, or activity. Book clubs, soccer teams, and alumni groups can form their own Tribes, as well as family members, hobbyists, or professionals.

# Messaging - Tribe.net's message system allows you to send a note to friends, colleagues and people who are listing items that interest you. You can communicate with your Tribes via group message boards. You can also schedule events to inform everyone in your Tribe of an upcoming event.

# Answer life's questions - Your social network is a valuable resource that contains most of the answers you need. Whet her you're seeking a dentist, an organic grocery, or an inexpensive oil change, chances are good that someone in your network already has the solution.