I've written about Wordle before - this is slightly different and rather than being just Art - Wordsift adds visuals, context and a thesaurus -
The other website is for all those who need to convert a file quickly and without downloading software...
Zamzar will convert documents, video, images and sound to just about any format you need and email you the results - up to 1G files.
This is great when you are behind a firewall or you just can't download and install other programs - DET I'm looking at you.
This is great for teacher tube, teacherstv and of course youtube - a great work around when you are blocked at school.