What's the maximum rate you should pay for the use of your hotel's wi-fi signal on your next travel adventure? The savvy traveler would tell you that nothing over "totally free" is now (and should remain) the standard for this hotel amenity.
Ten years ago charging for use of an internet connection inside your hotel room was standard practice and accepted by world travelers (Wi-Fi had only just become available). You could compare that thinking to the 1950s, when the standard method to watch the television set in your Manhattan hotel was to place a coin into an attached slot.