Portable Mozilla Firefox 3.6 is released which can run from any USB flash drive without needed to be installed on every computer system. Just plugin in the thumb drive in PC and start working on latest browser.
Firefox 3.6 is built on Mozilla’s Gecko 1.9.2 web rendering platform, which has been under development since early 2009 and contains many improvements for web developers, add-on developers, and users. This version is also faster and more responsive than previous versions.

What’s good about firefox is it’s response time on security issues and releasing it’s updates. Firefox released yet another version Firefox 3.5.2. This version comprises of mostly security fixes like Cached wrapper problem, memory corruption, SSL indicator and some more problems.