Also this:
I spoke with two people who had visited London and had been present at a football semifinal.
They had nothing but praise for the whole event and for all volunteers, who were very helpful and friendly.
Our country's chef de mission was very positive about the London Games, and he is a notoriously critical official: when some years ago another city kept blaring about how they had the greatest games ever (when this wasn't so), he told them exactly with typical Dutch bluntness what he thought about that.
Thankyou, London! I just wanted to say this.