A couple of tips to make Photoshop run faster on Windows or Mac OS.

There’s also some advanced optimisation instructions for Mac OS users on the Adobe website. Although power users would probably want to avoid disabling some of the features discussed in this article.

This article has some good advice for Google Apps users, but some of the principles apply to anyone with a Google account.

Source: Using Google Apps? 5 Ways to Avoid Getting Hacked

In-depth comparison of .gif and .png files.

Source: Give PNG a chance / Stoyan’s phpied.com