Mahalo
Get paid to answer questions. Get paid to ask questions. Get paid to be voted up. Tweet it out and Facebook it, too.
Mahalo has been around since May 30, 2007, so this is no fly-by-night operation. Mahalo offers several different ways to help your fellow web searchers.
With Mahalo Answers you ask and answer questions. Leave a tip and get paid a tip. Provide the best answer and get a bigger tip. Tweet it out and earn a little bit. There is a 10 tweet a day limit, though.
For a more complete description of how to Mahalo Answers check out the guide. There is even a video tutorial.
According to the site, Mahalo Tasks are "small pieces of writing the editors need completed". Build a page or complete a guide. How-to's and teamwork also is needed.
For a more complete description of Mahalo Tasks check out this guide.
Page Management is for those who are experts in a specific area. Please be prepared to update your page as needed to keep it fresh and relevant.
For a more complete description of Page Management on Mahalo check out this guide.
When you are ready to join, just head on over to Mahalo.com. From what I can see there is no referral program.