Ethereum is getting popular day by day. People participating in ICOs they use ETH a lot. Ethereum is a smart contract.
But what does Ethereum do better that any other alt?
I would say (As of right now my favorite function with Ethereum is the Smart Contract Source. Other altcoins are evolving into it. But for the time Being It is what Runs 90% Of all new projects. Some eventually transition into their own source and type blockchain as well.