No Mac is an island, and neither is an iPhone or iPad. But figuring out how to get all your silicon-based pals to share your stuff with whom you want (and not with whom you don’t want) can be confusing if you don’t have a guide. Happily for all of us, Joe has put together just such a guide, and he shares some of its secrets with Chuck Joiner of MacVoices. Let us share that interview with you.