User blog comment:Starrocks923/LEGO Minifigures "Collect and Win!" Sweepstakes/@comment-25595629-20150105215406

...And if this does not appear on the front page, neither do Sim's last two blog posts that are there. :P

I should note that the codes for Series 12 also seem to give 3-day memberships to people. Perhaps this is a glitch, or perhaps LEGO is being generous.