The Wall Street Journal reports that some big iOS developers are having a real issue with Apple's limit on testing devices. According to the App Store rules, developers are restricted to 100 devices for testing via ad-hoc distribution. That may sound like a lot (and it likely is for small or individual developers), but it makes large-scale tests of beta or preview applications difficult. Instagram, for example, is cited in the article as bumping up against the limit so much that the company bought a se
