Robinhood is causing quite a stir in the stock trading community. They are a tech-driven stock brokerage from Silicon Valley offering commission-free trading...View More in comparison to the typical $7+ commissions you have to pay other popular stock trading sites like eTrade, Schwab & Scotttrade. The value proposition is clear as day, almost sounding too good to be true which is why their FAQ is so thorough: https://www.robinhood.com/faq/ For simply an email, you can sign-up early, but don't get too excited. That would be too easy. Upon signing up, you realize you are put on a giant waiting list that moves at a snails pace & receive an email to monitor your slow rise to the top. Whether they really need to limit the amount entering this much or not, they are doing a great job of getting people to refer others in hopes that they can move up the list more quickly. Here's a Reddit thread for you to get an idea of how people are scrambling to move up: http://www.reddit.com/r/wallstreetbets/comments/1xqfl8/anyone_get_in_to_robinhoodio_yet/