We all love those really cool eTrade commercials with the baby stock guru who buys and sells stock from the comfort of his nursery, but have you seen the latest one where the little guy can now use eTrade on his Blackberry? Well, it’s not just a cute commercial, but it’s also absolutely true. No, not that the baby is trading stocks on his Berry, but it's certainly true that you can. (And if you’ve been living under a rock and haven’t seen the Blackberry eTrade commercial, or any of the other brilliant eTrade baby marketing ads, you can check them out now on eTrade’s website or on YouTube.)