In August of last year, its website dispensed with nudity. As a result, Playboy executives said, the average age of its reader dropped from 47 to just over 30, and its web traffic jumped to about 16 million from about four million unique users per month.
Think about it...how many people knew this change had actually occurred until we read it in the New York Times yesterday? Don't you think that if the change from nudes to non-nudes had been so noticeable that guys would've been telling their friends/bosses/IT people -- "Hey guess what, no more nudity on Playboy.com...we can finally read it at work!"
There must have been some other change, such as a change in editorial (publishing more things, or more junk, or publishing more of its great archive) or business (killing a paywall or obtrusive advertisements) that happened in this time period. Or maybe just a switch in how they measure analytics.