Ancient Proverb: The network always goes down when you least expect it, and when it's the most inconvenient.

Have all your presentation materials on your notebook so that you don't need the network at all

• Keep a copy on a USB memory stick as an emergency backup

Avoid playing videos from the internet: use your time for live interaction

Instead of demoing a remote system:

• Clone it to your notebook

• Record a silent video fo the demonstration

• Either way, be sure to desensitize data