It isn't too likely to catch on, I think. Unlike the modal alert()s, changing the address bar doesn't prevent one from just closing the tab that has the page in

It isn't too likely to catch on, I think. Unlike the modal alert()s, changing the address bar doesn't prevent one from just closing the tab that has the page in it. Sure, you lose whatever history got you to that site, but I find my history is rarely more than 5-10 links deep, since I tend to spawn new tabs rather than using the current one.