Long time ago, I joined Chatabout.

The following is the welcome email:

"Welcome to ChatAbout!

Welcome to the only community of its kind.
Where you are rewarded for everything you do!

Each time you leave a comment anywhere on the site, answer a question, take daily polls, watch videos, refer your friends or participate anywhere in our community, you are awarded points. Visit the Bonus Area and watch your points add up even faster!

Redeem your points for cash, gift cards or prizes sent to you absolutely free!

http://chatabout.com/

Kind Regards,
The ChatAbout Team.