Here at the Chad’s News network command center, Firefox is still the browser of choice. Google Chrome, however, is still improving and trying to become a contender for that top spot. There is the useful Chrome Toolbox extension, which adds functionality and configuration options that have been needed for a long time. Also, Chrome now has a built-in PDF viewer, which appears to be in the latest release version. Lifehacker has a tip on how to refresh the thumbnails shown for your “most visited” sites on the new tab page. Another tip from Lifehacker explains how to configure Chrome such that embedded Flash content is played on demand (versus the default auto play). This change has not yet made it to the release version. And finally, the linked article discusses Google’s decision to drop direct browser support for the popular H.264 video codec. This only affects HTML5 videos—Flash content will still play with no problem.