Here's something that really annoys me.
If you've spent good money (or if your company has spent good money) on a conference or a lecture the least you can do is sit at the bloody front.
If you look closely at the picture above (bottom left, in a bit) you can see me and Beeker sat right at the front. I'm in the gold corduroy jacket, Beeker is the one looking slightly pissed off because I made her sit at the front.
What's wrong with sitting at the front? It's not bloody school.
You're probably going to hear some really interesting people so you want to be as close as you can, don't you? It's not like a fucking Derren Brown show where they're going to drag you out of the audience and make you give a stuffed donkey a blow job. So sit at the front. Ta.