Mozilla: Firefox 4 Beta 1 is now ready to download and test! This first version gives an early look at what’s planned for Firefox 4. Stay tuned, because there is more to come and we plan to release new beta versions every two to three weeks. Your feedback is essential to help shape the product which is why we’re launching now to hear from you early in our development process.
Web browsers collect a massive amount of our web history data. These options can help with that.