NSCFBoolean Hashes Incorrectly

Nat! reports that [NSNumber numberWithInt:1] and [NSNumber numberWithBool:YES] are equal but have different hash codes because NSCFBoolean doesn’t override -[NSObject hash].

Arial and Helvetica

And, speaking of rip-offs: The Sourge of Arial and How to Spot Arial (via Guy Kawasaki).

Font

Panic Rip-Offs

Sites have ripped off their Transmit icon, their office photo, and more, but Panic has a sense of humor about it (via Steven Frank).