FIRST XKCD Comic

[Valkyries_698]

http://imgs.xkcd.com/comics/first_design.png

http://xkcd.com/689/

I believe this is the first time xkcd has done a FIRST comic

[Dad1279]

http://imgs.xkcd.com/comics/new_pet.png

Not quite First, but I found XKCD 2 years ago while searching omni wheels:

[Diminish]

Haha, our whole team enjoyed this one.

Nice to see another xkcd lover out there!

[tanmaker]

Search is your friend (http://www.chiefdelphi.com/forums/showthread.php?t=80223&highlight=xkcd)