Copy/paste, landscape keyboard, MMS, spotlight search are just a few of the new features of the new firmware 3.0. But did you know there are over 100 hidden features?

MacRumors put together a list of undocumented features in 3.0. Here are some of the most interesting ones:

  • You can now download apps redeemed from promo codes on the device. previously you could only redeem them and had to download them in iTunes
  • The keyboard letter keys are a few pixels narrower than in the last OS, and the spaces between the keys slightly wider
  • Mail preview loading is much faster
  • You can now share a contact
  • Unknown incoming calls show the location of the call
  • You can send as many pictures as you want in Mail

Visit MacRumors for the full list of new features.