EverydayUX morsels (November 12th – November 15th)

Functioning Form – Use Cases for Mobile Apps
Apple may have their own taxonomy for carving up their apps, but @lukewdesign's (based on behavior) is far more interesting.
adaptive path » blog » Rachel Hinman » Ubiquitous Computing Workshop: Mobile User Experience Design Principles
Really excellent post from @rhinman on the process of arriving at Mobile Design principles. The principles are pretty darn good, too!
Functioning Form – App Interface Models in iPhone and Android
Nice breakdown of the different ways each platform handles Applications. Definitely makes you wonder if "open" is necessarily better/more usable in this case.
Tweetie Reloaded: An Interview with Loren Brichter | unraveled
Awesome interview with the man behind Tweetie. Great stuff on the genesis of the brilliant "Pull Down to Refresh" UI.
Barcode Revolution: Unique Japanese Barcode Designs – information aesthetics
Leave it to the Japanese to remind us (again) how unimaginative we can be.
Simple Is As Simple Does: The Risk Of Retweet
Great piece by @parislemon on how @twitter is losing some of what made it special. I think Retweets w/o editorial is a real missed opportunity.