THe rules are simple. Write up a review of SRM 04-00 Back in Business (Good or bad, be honest) somewhere online... Dumpshock and the SR4 Forums are obvious places, but submitting reviews to RPG.net, reviewing and rating the product on Drivethru (if you bought it there), and any other appropriate place would be awesome and appreciated, as it helps spread the word about Missions.
Then, post the link to the Missions Facebook page. Sometimes next month I'll randomly select 6 reviewers (assuming there are that many

So go forth, review, and get the chance to be immortalized in an official Shadowrun Product!
Bull