To get started:

After that, whenever you're logged in and find a web page you want to save, just go to your Toolbar and use the Save to MyWeb option in the MyWeb pull-down menu to save it.
Invite friends to join your community or add new contacts directly to your list as you discover them.
Remember, the more contacts you add and the more pages you save, the more you can share what you know and discover better answers from the people you trust.