What's the best thing about the BlackBerry platform? Most would say it's the keyboard, which continues to be world-class in the company's most recent handsets, like the Bold 9900. One of the big questions on the fans of the BB faithful in the new operating system was how the company could re-create that magic on a touchscreen. Well, Thorsten Heins just showed us how on-stage at BlackBerry World, showing off a new, smart touch keyboard that is said to adapt to your touches. It has elements of predictive text, like many other keyboards, but it also relies heavily on gestures. For example