There's been an interesting discussion on the SIPA Forum this week—join here if you're not already on it—about how much content should be given away and what type of paywalls works best. Here are some interesting industry examples I found:

Welcome news arrived over the holidays in the form of editorial support for strong encryption from the Economist magazine. The opinion piece entitled, When Backdoors Backfire, observes pointedly: “Without encryption, internet traffic might as well be written on postcards.” It concludes: “Rather than weakening everyone’s encryption by exploiting back doors, spies should use other means…That is harder and slower than using a universal back door—but it is safer for everyone else.”