If you’ve been to any tradeshow in the past, you probably know the basics like wear comfortable shoes, bring a portable phone charger, watch out for tripping hazards such as raised carpet edges, etc. We’re not going to waste your time with the obvious. Instead, we’ve combed the official ISE rules and guidelines for information that might actually come in handy during the chaos of the show.

Here are 20 things you should know before going to ISE 2020: