Back in the days, most event WiFi and internet providers only create a single network and inform you to support your event with it. Sadly, this is not the right thing to do. The devices of your guests may get infected with a form of dormant malware that is just waiting for them to connect to public network to pose serious threat. Aside from creating big security vulnerability for those connecting to the WiFi network in your event, bandwidth is basically available to those who want to use it. Many people don