Be careful touching the iPad
Jacob Nielsen (of Nielsen Norman Group) published research about the usability of the Apple ipad with early iPad Apps and some websites. Surprisingly it is signaled that some issues encountered with websites in the early 90’s are reoccurring now with this state of the art piece of technology.
Remarkably the touch pad functionality, which would be one of the fundamental features of the device, causes the main issues. Many of the different App user interfaces seem inconsistent, causing repeated and longer learning curves for users new to specific apps and possibly the whole device » More: To touch or not to touch the iPad?