We've written about Fennec, Mozilla's mobile browser, a number of times. It's now in its fourth public beta, and GigaOm reports today that Mozilla CEO John Lilly wants it to be just as disruptive on mobile devices as Firefox is on the desktop. “We wanted to build a browser that did everything — Javascript, CSS, Flash, SVG, video and audio," says Lilly. "What that meant was we had to wait for a while for devices to get better to handle this modern browser.” Check out more at GigaOm.