I surely missed this one. Mark is kind enough to put it on web: 50 Tips in 50 Minutes.

Make sure that you don’t miss this truly amazing pieces of information.

VAIDY

Important Edit: For those who do not have MS Office 2007 installed on their machines, you can find the compatible Powerpoint Presentation file on this link: 50 Tips in 50 Minutes (PPTv97-2003).