I didn't know that people try to come up with "perfect New Yorker captions", sentences that can be added to any New Yorker cartoon and just work, but it's a fun idea. Frank's modern take is a particularly fun one, that captures a point in web history well (to think, when this all happened many still didn't know what LinkedIn was):

I'm also a general fan of this sentiment:

This went from a dumb idea I had on my commute to a real caption in the magazine in six days. Dumb fun moves fast