There are many places and ways to recruit test participants, like user groups, trade shows, Craigslist, Facebook, Twitter, customer forums, a pop-up on your site, or even asking friends and neighbors. If you’re going to do your own recruiting, I recommend that you download the Nielsen Norman Group’s free 147-page report How to Recruit Participants for Usability Studies.4 You don’t have to read it all, but it’s an excellent source of advice.