Firefox 4 News Today : Breaking News, Live Updates & Top Stories | Vimarsana

We want to understand our privacy policies. >> reporter: on days when firefox 4 doesn't do what you want, apparently there are real people on the other end. do people actually read those reports? everyone wonders if those get read by somebody. >> yeah, absolutely. we have weekly meetings we look at all crashes, find new ones that might appear. and fix as many as possible. >> reporter: firefox 4 is available for download now and offers lots of ways to customize your online experience. the browser wars continue. there's microsoft internet explorer 9, google's chrome 10, lots of versions of apple...

Had 95%, 98% market share. we had a bunch of people installing it on their own machine because they thought it was a better product. then installing it on their friend's machines and family machines and it started to snowball. >> reporter: they install firefox 4, what's the biggest difference? >> it's blazing fast. web pages will load faster if you 30 tabs, 100 tabs, some users have 500 tabs. and we've cleaned up the interface a lot. >> reporter: they also say they want to make the browser feel more secure and have control over being tracked by advertisers and other companies. talk to me about...