In short, the first 100 who resteem, upvote and comment with the Ethereum address the post linked below will get a good amount of CNT tokens (ERC20 tokens which will get you EOS based tokens after the EOS launch).
Be quick as there are already less than 50 places left!
Details:
https://steemit.com/eos/@viterbo/cards-and-tokens-announces-airdrop-x2-for-eos-token-holders