Should a web app have automatic updates?

Question

After seeing some of the problems that Microsoft has had upgrading people from Internet Explorer 6 and also seeing how Firefox has automatic updates, it\'s made me consider the

Answer 1

I think Wordpress has a feature that automtically checks for updates, and will put up a nag screen in the admin interface if you're running an out of date copy. That seems like a fairly good comprimise between forcing an update that could break users' installations, and simply posting a notice on your project website that users might not see.