Nobody wants to disappoint their clients. It’s very important you set expectations with your clients so they are just as prepared as you are. For example, let your client know that instant social media sharing is dependent on quality internet upload speeds. Let them know you will need 14MB up and 4MB down. Let them know that available internet speeds may fluctuate as the crowd of the event grows. Say all of this ahead of time and if you start to see speeds reduced dramatically, give your client the heads up but let them know how email and text will still work.