They are still taking away plastic bottles of anything (soft drinks & water) claiming it is for health & safety reasons and also got told that they would confiscate food if we'd had that as well. On a previous visit, they did give you plastic cups so you could transfer out of the bottles to the cups in order to take it. This year they had nothing and suggested as it was still early enough we could walk around and drink what we had and come back later and then go in! If anything, I would have thought that wooden flag poles would be more of a health & safety issue than an empty plastic bottle - but perhaps maybe keep quiet on that one in case this could cause a new rule for next year!! What annoyed even more was that once sat down inside someone who was sat 2 rows in front had gone off somewhere and came back with a plastic bottle of soft drink - she never had any bags with her so i'm assuming it must have been from a vending machine.
We were sat on top tier 2nd bend and towards the end of the night there was an accumulation of security stood in stairwell looking up towards the back rows of the block obviously with their eyes on someone but not once did any of them volunteer to go up and confront them. There were a few 'wobblers' going backwards and forwards to the loo throught out the night but fortunately not sat by us and no disruptions although in previous years we have suffered with drink being spilt and dripping down from the row behind. I don't think you'll ever stop the 'stupid drinkers' who insist on seeing how much they can get through, but on the positive side they're the ones that have paid to miss the racing in order to queue at the bar!
Slightly off topic but still regarding do's and don'ts, I did feel sorry for the little lad at the next check point who was there with his dad/grandad who had 2x airhorn canisters (still in the sealed packaging) took off him as they didn't conform to their rules. They got told it was because there had been a fire last year - not quite sure I can believe that one!!