Who posted these clever but misleading flyers in the reporter's workroom at TCA Press Tour on Tuesday?

MSNBC's Keith Olbermann says it was "somebody from Fox." But Eric Deggans was "assured it was not them."

Quoting Olbermann on last night's Countdown: "It claims since June 1, this show has been fourth in the key ratings [demo] 24 percent of the time." Then he rebuts: "Okay, they cooked the books, they used the old ratings system that only Fox uses anymore, in fact we've been fourth one time since June 1. And by the way I've been on vacation 27 percent of the time since June 1."

I don't know who posted the flyers in the breakroom. But on the very same morning, an Excel spreadsheet showing the exact same trend depicted on the flyer landed in my Inbox...