I have an iPhone, too, but I use the Blackberry more because I'm addicted to BBM'ing. I'm also on Twitter 24/7 and it's a lot easier on the BlackBerry.
If you want to make information stick, it's best to learn it, go away from it for a while, come back to it later, leave it behind again, and once again return to it - to engage with it deeply across time. Our memories naturally degrade, but each time you return to a memory, you reactivate its neural

