Update: Okay, we posted too soon. It's 53 issues. Not every issue. Apologies.
Looks like every issue of Playboy ever published is now available, free and legally, on the site playboy.covertocover.com/. Yes, it's all there, from vintage Kurt Vonnegut stories down to a "Sex Stars Of 1977" piece featuring a frighteningly young-looking Melanie Griffith and Roy Scheider. And vintage stereo ads? Oh yes, those too:
Well, there goes the rest of your day, right? (Hat tip to Buzzfeed.)