101 Things I Learned in Interaction Design School
A set of short, easily-digested lessons from the world of interaction design, inspired by "101 Things I Learned In Architecture School."
Link tags: wireframing
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GUIMagnets - Prototyping made sticky
Interface elements as fridge magnets. Make prototyping fun!
960 Grid System
Here's another CSS framework for grids. It could prove to be very useful for wireframing.