4iThumbs Tactile Keyboard for the iPhone at Macworld

The small company 4iThumbs, was showing their tactile keyboard overlay for the iPhone at Macworld. It's not designed to be a full-time keyboard replacement, but rather a training tool to allow you to get better/quicker at typing on the device. According to the creator of the overlay, you should be able to remove it after a month or two, and see optimal increases in your typing speed due to an increase in muscle memory for each key.

In using the keyboard briefly at the show, it does feel strange, as you need to touch between the raised points, rather than on them, as those coming from say, a Blackberry might expect. With that said, it did feel as if I was being more precise with where I was touching to activate each letter. Whether it really makes a difference compared to the phone's built-in error correction, will require longer testing: