Your App Makes Me Fat ⇥ seriouspony.com

Fascinating article from Kathy Sierra (via Marco Arment):

Willpower and cognitive processing draw from the same pool of resources.

Spend hours at work on a tricky design problem? You’re more likely to stop at Burger King on the drive home. Hold back from saying what you really think during one of those long-ass, painful meetings? You’ll struggle with the code you write later that day.