Scraps: The Internet Analyzes the WWDC 2013 Logo:
I’ve sorted through the stupid comments so you don’t have to.
From The Verge
UncleBobbings:
The shape could be related to Apple’s smartwatch… the colours indicating last gen iPod nano-like colour range.
DarkOwl:
Rounded square, iOS icon template. Lots of colours… iPhone 5S or…
This made me chuckle.