1. The first rule of #Clay5 is that you absolutely
MUST tweet about #Clay5. 2. You MUST have five separate favourites; no more, no less. (#everybodygetsfive) 3. You MUST commit to your five picks; no take-backs or do-overs. 4. You MUST post your #Clay5 before the Twitter top five is tweeted the next day. 5. PLEASE include the #Clay5 hashtag and/or mention @ClayFive in your tweet.