Modern browsers offer faster and more rich online experiences, so why do so many netizens refuse to upgrade? (Reading this with Microsoft Internet Explorer v6? Keep reading: This one's for you.)
For one, lots of people don't realize the difference a modern browser can have in their Internet life. It's the classic case of "You don't know what you don't know." Until you wash that window you'll never know how lousy the world outside looked but for want of a little Windex.
The folks at Smashing Magazine make the case as well as anyone.