Facebook have recently updated their privacy settings. This means that millions of users will be presented with a form when they login, showing them new recommended settings and the option to use their old settings. The thing is, Facebook seem to have forgotten basic principles of how to set out an online form. I was confused when I saw the form, and it took me a little while to work out why.

Here's the form on Facebook:

Can you spot the problem? They change the heading of the first column twice, which is very confusing as your eyes scan down. I think what they meant to do is this:

With consistent columns titles, it's much easier to see which category has which privacy settings.