Is everyone using a Powerbook (MacBook)? Is anyone actua$y listening to the talks?Do people rea$y IRC with the person sitting next to them? Did the author just patch that live? Why are the slides in Latin (or Klingon)?
Insecure networks• Use encrypted protocol for passwords• Techies sniﬀ just because they can• Bonjour / Rendezvous may be on• Do you rea$y want to share your iTunes?• Network users may connect to you• May not be part of the conference