7 ms·

I'll bet he can't even hear it.

• burkaman 9y ago
  He turns it on at the beginning and says it's because he likes having audio feedback.
• justinjlynn 9y ago
  It's like playing a video game, I'd imagine. The sound effects are the bane of everyone's existence but your own. Seriously though, you don't play your _game boy_ in public without headphones; let alone present while playing one! I'm amazed -- so, so tempted to turn of the preso even if I was fascinated by the content.