A new way to create EOS accounts: “signupeoseos” dApp
See the original story at https://medium.com/coinmonks/create-your-own-eos-account-easily-using-the-non-service-fee-dapp-signupeoseos-b15c5347f2fc
In short, you send some small amount of EOS from an exchange to this smart contract with account creation details in memo, and it does it, at zero commission.