What can I do here?
Spiff up your profile page: In the right navigation, click Settings and tell us about yourself, your work, the web 2.0 tools you use, and what you like to do. Most of all, have fun customizing your page!
Watch this great Getting Started video
Join a group: Looking for like-minded individuals? We have special interest groups, tools, and topics—there’s a group for every interest!
Start or join a discussion: Ask a question, give advice, or leave a comment for a friend.
Write a blog: Got a lot on your mind? Consider writing an ongoing blog and reading others’ posts and comments