JSConf Differences Since 2009

JSConf 2013 is the fifth annual event. Here are 5 differences that I've noticed since then.

1. Less need for power strips. Everyone has Macs with good batteries.
2. More diversity. Keeps improving.
3. JS Everywhere continues. Almost only JS on browser 5 years ago. No robots, etc.
4. Track B room is bigger than the entire room for 2009.
5. More people have JS jobs. 

What has not changed is the humor of yayQuery, quality of the speakers or excellence of the Williams and volunteers.