That, and a better user experience. Have a look at this screenshot, doesn't it seem obviously more attractive and usable than a pop-up? http://www.extremetech.c

That, and a better user experience. Have a look at this screenshot, doesn't it seem obviously more attractive and usable than a pop-up? http://www.extremetech.com/wp-content/uploads/2011/07/firefox-account-manager.jpg http://www.extremetech.com/wp-content/uploads/2011/07/firefo...