A lesson from Google Buzz: a large sampling isn't always a representative sampling.
Tuesday, February 16th, 2010
Monday, October 5th, 2009
Hixie has been making changes to microdata in HTML5 based, not on opinion or theory, but on the results of user testing.
Thursday, January 1st, 2009
The five second test is a simple usability test that helps you measure the effectiveness of your user interfaces.
Monday, June 19th, 2006
Flickr photo set, AIGA card sorting exercise.