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Announcing Text Dune: a free iPhone app for reading your own notes or Twitter timeline by making text slide over a virtual dune.
http://itunes.apple.com/app/text-dune/id405437278?mt=8
Video preview: http://vimeo.com/14476015
Feedback is welcome,
Ariel
http://chronotext.org
Just found this, and thought I'd share it with everyone:
As designers, we sometimes forget that not everyone can see color the same way we do. I found a sweet app that allows you to simulate what color blindness does to your designs, whether it be interface design or the composition of a 4-color poster.
Here's an example of this page as viewed by someone with color blindness:

So this free app for Windows, Linux and Mac simulates how approximately 5% of all men will see your designs. It's a pretty cool app to add to your toolbox o' design stuff.
Anyway, the app is here http://colororacle.cartography.ch/