What Touch Is. Why Touch.
What do you notice about mobile devices, especially the cell phone? It is the extremely small screen. An entry-level tiny 14-inch notebook can typically hold at least twelve (12) cell phone screens! Hence, what you can see on a cellphone is less than one order of magnitude of what you can see on the cheapest notebook. If you are using your cell phone to send and read SMS’es, it’s no big deal. The moment you use it to do something like reading a “usual” web page, there is a big problem. You are able to see only a small fraction of what you can usually see on your notebook. Until the iPhone came along, this stumbling factor prevented phones from being used to browse the web. It was just impractical as you would be spending 99% of your effort scrolling the page one direction or another. Apple is rightfully credited for introducing touch zoom and pan. Touch zoom and pan was innovative and is the best solution so far to read a document that is bigger than your display area. To...