which one of you did this

Coming home from work today, one of the buses parked at the terminal caught my attention.

Its destination sign was cycling through these lines:
HAVE YOU READ
YOUR SICP TODAY
NOT IN SERVICE

If I had a camera at the time I would've taken a pic.

“For Haskell Nomads, see Monad (functional programming).”¹

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_{¹ http://en.wikipedia.org/wiki/Nomad_(disambiguation)}