1. You need to have a valid postal address based in the United States of America. Otherwise we won't be able to send it to you. This contest is for US citizens only;
2. You will have to supply us with your address max. 24h after you're announced as a winner. If you win, send your name, full address and twitter link to email@example.com. Otherwise we will have to choose someone else;
3. Winners are selected randomly. It's up to you how many times you want to tweet it;
4. You may tweet from each Twitter account you have once every 24h;
5. If you have any questions, ask us via twitter.com/rihannadaily;
6. Winners will be announced on Monday, May 21st 2012, via http://rihannadaily.com.