John Gruber’s prediction on the future of video codecs is that H.264 will be the dominant encoding method and that Mozilla’s refusal to support it natively will render them less relevant, especially in the growing mobile space.

Brian DeMarzo notes a maddening and long-standing Firefox bug, along with a workaround. We found this still affects the latest versions of FF on Mac and PC (3.5.2 at time of writing).

Christopher Soghoian’s Firefox plugin for opting out of around 40 web advertising networks including Microsoft’s, Google’s and Yahoo!’s.

Firefox extension by Glenn Jones that uses the Google Social Graph API to identify people based on the rel="me" link attribute. Easy to use—for example “Ctrl + I” (Mac) or “Alt + I” (Windows) on someone’s Twitter profile page—it pulls in available data from the present site and any other social web sites it can. According to Google’s API, the plugin can identify public URLs that belong to the person being looked up, and publicly declared connections between that person and others. Quick feedback on the identifying information you publish about yourself online.

Oliver Reichenstein on rethinking tabbed browsing in Firefox.

New HTML5, CSS3, DOM and SVG features in Firefox 3.5.

Stefan Frei, Thomas Dübendorfer and Bernhard Plattner on how strongly auto-update software usability impacts on browser patch rates.