Catch the wave. Long but worth watching:I suspect that collaboration will never be the same after the wave.
Another observation is about gadgets and iphone apps. One beauty of iphone apps is how easy it is to write one. This has always been true of many gadgets (like gadgets for google’s homepage.) But the later has always suffered, it seems to, in a lack of functionality. I think wave might push this problem in a very positive direction (see for example the yes/no/maybe widget.) Further having things server side is also allows for a sort of gadgetology with a large amount of power, which I really like.