I just found an Airdrop. You have to put in your public ETH address and tweet + follow them on Twitter. It must be done by Sunday at 5pm EST.
You must use your ERC20 ETH address. No Exchange Addresses.
What is IOST?
The Next-Generation, Secured, Highly Scalable Ecosystem for Services
The IOS (Internet of Services) offers a solid infrastructure for all kinds of online service providers. Its ultra-high TPS, privacy protection, scalable and secure blockchain provide infinitely many new possibilities for online service providers to serve their customer base.