Directly from TS3 on FB:

“Yahooooo! The official The Sims 3 Twitter page won a coveted Shorty Award tonight for outstanding achievement in social media. (See EA’s videotaped “Thank you“). As a special thank you, we are giving the Bucaneer’s Bounty Set from The Sims 3 Store available as a free download for the next 24 hours!  Thank you to everyone who voted and keep sharing!!!

Hey, it’s free!  Get it while you can!!!!