1/ Facebook: simple application that gives you access to a simplified version of Facebook.
2/ Twitter fon: you get access to a simplified version of Twitter and you can tweet easily!
3/ LastFM: access last.fm simplified version that gives you access to thousands of songs!!!
4/ Google Earth: you can easily travel anywhere in the world with this app…
5/ Wikiamo: wikipedia in your iphone. It’s a simplified version and it’s a good one!