A new version number for a browser release may not be quite as major as it used to be, but Mozilla is promising a few fairly big improvements with the just-released Firefox 7. The biggest of those are all in the performance department, including "significantly" reduced memory usage (up to 50 percent less in some cases), and a new version of the hardware-accelerated Canvas that promises to speed up HTML5 sites. Also making its debut is a new Telemetry feature that lets users anonymously provide browser performance data to Mozilla if they
