I’ve found these two good and short videos (last week – by mistake) and wanted to share them with other friends/developers. The theme for both of them is ‘common mistakes’ most of us are doing. Both presenters are the top of the top in the area of CSS (Nicole Sullivan) and  jQuery (The one: @jdsharp ). Good stuff…

The Top 5 Mistakes of Massive CSS

jQuery mistakes you’re probably making in your project

Core Concepts Starts at 5:20 Actual “5 Mistakes” content starts at 12:00.

Last but not least, here is a little (very) useful bookmarklet that let you have jQuery fun inside firebug.