To get Airdrop you need to share bellow links on social media websites
100 EXN for Social Sharing
http://www.exchangen.com/
https://bitcointalk.org/index.php?topic=2198546.0
re-tweet this https://twitter.com/ExchangeN_com/status/911418171134959616
and then
Go to http://www.exchangen.com/  click on Right Bottom Side black "Leave a Message" chat box and
Send me your myetherwallet.com ethereum address and Social sharing details and i will send EXN to you