In the world of cryptocurrency airdrop is the most coolest way to get some free coin from it. You can get around $15 worth of bither is free. Signup to their account. Verify email activation and every 2 hours you will get upto 25 BTR every 2 hours.
What is BTR (bither)?
Bither is just another ERC-20 smart contract. You can withdraw your BTR in any ERC-20 supported wallet.
How much bither (BTR) worth now?
At the current price 1 ETH = 100 BTR