i just noticed this but it has been going on since 10 am today so i dont know how much more is left but here it is anyway.
http://content.usatoday.com/Contests/ContestEntry/Contests.aspx?ContestId=0a3eb78d-e70d-4703-a4ed-6cc6ee8eecc0
they are giving away 20,000 free realm beta codes, good...