robinhood.io http://www.bloomberg.com/video/robi...n-stock-brokerage-8S6UsobeQGi7oTm~Z8TNFg.html One of the guys interviewed mentioned that they were focusing on building long-term clients and then making money on margin and equity interest. I see several problems with this model.
free options comm would be interesting. "Does Robinhood support options trading? Not yet, but we plan to offer options trading in the near future and expand to other asset classes shortly thereafter."