On my site, i've got a form that says : "On your site, I think that you should add:" with a submit button.
Mark Hitchins thinks I should add: 37 naked androids, heavily involved in a twenty year long piece of avant-garde performance art.
Weirdly, this was going to be the very next thing that I was going to add.
Postscript to the previous entry. Yesterday i bought 4 packets of fruit pastles. I think thats evidence enough that Rowntrees advertising works.