I'm currently sitting in a train back to Vienna (via Salzburg), having spend the last three days in Frankfurt at YAPC::Europe 2012. The seats in the train are only moderately more comfortable than the bike seat I set on while cycling to Frankfurt with Maros.
The conference was again wonderful, interesting & fun. The main annoyance was the HOT weather, but I'm afraid I cannot blame Frankfurt.pm for this. I did one talk, Logging Hell, and a rather bad lightning talk, introducing Bicycle.pm (Maros and me planned on during the talk together, but the he got ill, and I got notified at the start of the lighting talk session that we (or rather I) can do the talk). Anyways:
Things I learned at YAPC::Europe 2012 in Frankfurt, in no particular order:
Do not use unstable beta drivers for your nvidia card if you're giving a presentation. (Even if you need those drivers for suspend/resume to work)
Holding a clicker in one hand and a mic in the other leaves no hand to take a sip of water during your talk. Putting down the mic and taking a sip is still a better idea then talking 40 minutes straight on.
Apfelwein is delicious
Having your own bike at the conference is very comfortable (for quick trips to the market to fetch watermelons, to grab some proper food, to be independent from public transport, ...)