A 24-cell convex regular 4-polytope: Ow. My brain.

Oct 2007 ⋅ ⋅ ⋅ #24 #4

The two boxes store 4.4 megabytes. Each! I reckon she has an excel spreadsheet on the left one and an mp3 on the right.

Feb 2009 ⋅

⋅ ⋅ #3 #4

A Reddit clone in two seconds and 4 keystrokes

Feb 2010 ⋅

⋅ ⋅ #4