Wow....but like Blondie said this isn't a new thing. They probably feel the need to remind the flock since JWs are different now compared to the Ray Franz days in the 80's. More modern means of communication i.e. wireless phones, internet, IMing, txt messaging, etc. are a major part of life now and they know its having an effect on the publishers. Easier to find info now anonomously, and easier to convey to others discreetly what you've found.
I find it interesting that they never once mention if its ok to just study the bible or not, they skirted around that one. Perhaps they should change their name to Watchtower, Awake and Tract Society instead.