Really nice touch gesture framework applicable to different surfaces
My colleague Eva-Lotta Lamm made these beautiful sketchnotes from the 2012 Interaction Design conference. You will find plenty more of these gems on her flickr stream. She even published a book with “101 pages full of notes from lots and lots of UX and design events with talks from over 100 speakers and panelists”.

+Sir Idiot built a Photoshop simulator in HTML5 and I must say it is pretty darn accurate :)
http://visualidiot.com/articles/photoshop
That was the first thing I thought of when I saw the popular quantum levitation video
hillarious art school ads
This Is How You Advertise For An Art School
This Is How You Advertise For An Art School: What happens when you make anti-drug PSAs about art? An awesome series of photos that…
A follow up to the hugely popular kerning game (http://type.method.ac/)
Shape Type, the letter shaping game
A typography game
The nicest place on the internet
The Nicest Place on the Internet
A nice place to visit on days like today.