xkcd in stock

I went over to a friend's place in Cambridge last weekend for a Korean food get-together—some delicious 파전 and 만두국. Took quite a while to get there, though, as I failed to realize the Red Line was down. I ended up having to detour on a shuttle bus from the Commons to the Kendall/MIT stop, which is where my heart took a little skip of joy on seeing this. Oh, xkcd...