IE's moving to a similar "rapid release" schedule with other browsers.
Microsoft has played many sneaky pete tricks in the browser wars (such as supporting a CSS standard that couldn't be correctly implemented in Netscape's codebase) but you can't blame their release schedule entirely on that -- Windows users tend to be a conservative lot who are terrified that Microsoft will push something that will break their cheap-ass intranet that's held together with string and ear wax.
Microsoft has played many sneaky pete tricks in the browser wars (such as supporting a CSS standard that couldn't be correctly implemented in Netscape's codebase) but you can't blame their release schedule entirely on that -- Windows users tend to be a conservative lot who are terrified that Microsoft will push something that will break their cheap-ass intranet that's held together with string and ear wax.