Some people have suggested that there may be other factors at work. Business Insider's Matt Rosoff points out that since IE is the default browser for Windows PC users, anyone who doesn't know how to download and install a new browser will be stuck with it - "which drags down the average". And users of other browsers "include a disproportionate number of computer geeks", which might bring their average up. Or, he admits, it might be that "IE users really are kind of dumb."