@glitterbag,
No, after posting that I got one of my own, I don't want go sound keen.
How do you rate them anyway?
What system do they use?
Personally I prefer a system of random confusing symbols, like umbrella, bowler hat, sunglasses, old trousers and Mark Zuckerberg.
Incidently, have you noticed that Mark Zuckerberg's avatar looks a lot more human than Mark Zuckerberg?