Big changes to Firefox's "porn mode" -- the private-browsing feature that turns off recording cookies, history, and temporary files -- landed today in the Firefox Nightly build.
When it reaches the general public a few months from now in Firefox stable, the feature will allow you to run the private-browsing feature in a new window, without closing your regular instance of Firefox. This pulls the browser up to parity with Chrome, Internet Explorer, and Opera. Safari doesn't open private browsing into a separate window.
Firefox's project manager, Asa Dotzler, stated in the blog post announcing … Read more