It has been in the works for a little while. You've probably heard the whispers but Robinhood has finally opened the gates on their Bitcoin and Ethereum trading platform and there are zero fees! If you are in one of the lucky five states enjoying initial deployment, download the app and get trading quickly with minimal registration. If you don't find it available where you live, there is a waiting list you can add your name to.
http://blog.robinhood.com/news/2018/2/21/robinhood-crypto-trading-is-here