This site shows it from 1983 to 2009. It’s fun and amazing to see how much cell phones have evolved in a very short period of time. If you are like me, you will go through it and think, “oh, I remember THOSE!” :). For example, I still remember being so impressed when I saw this for the first time:
Anyone wanting to make predictions about the future of mobile technology might want to review this and see just how much changes and how dramatically are the changes.