Probabilities in the Game of Monopoly®

Get out of (voice)jail, free

gethuman.com has a database of codes to transfer directly to an operator! They also have (globally) useful tips. (This card may be kept until needed or sold.)

Playing Flickr?

PARK(ing)

FlickrFS

This is brilliant.

Republic Dogs

Paul Graham at OSCON

An excellent talk (or essay.)

I/O Brush

This is awesome, taking the clone tool to a whole other level!

The Clock of the Long Now

See also The 10,000 Year Clock:

"It's as if the future has been shrinking one year, per year, for my entire life."

Oak Island Mystery