This comes from their site.
We've grown like gangbusters, and we know exactly who to thank: You. Here's your chance to earn $50 for spreading the word.
It's super-easy
When your friend places that first trade with us, we'll deposit $50 cash into your regular investment account. Your friend must have $1,000 minimum in his or her account and must place at least one trade.
Most stock/equity trades are only $4.95
PS. I posted this message previosly in the wrong forum. I apologize and hope everyone found it easily.