Deep in the jungles of West Papua’s central highlands, there is a village with its own mobile telecommunications network. That network runs in a box latched to the top of a tree, providing the only reliable cell coverage anywhere within a four-hour drive. This small setup has created a booming local mobile economy—and it could be the harbinger of a whole new class of private and community mobile networks that change the shape of mobile for those who have been underserved or overcharged by traditional phone carriers.
Just how how does all this tracking and interception technology work? There are actually a surprising number of different ways law enforcement agencies can track and get information about phones, each of which exposes different information in different ways. And it's all steeped in arcane surveillance jargon that's evolved over decades of changes in the law and the technology. So now seems like a good time to summarize what the various phone tapping methods actually are, how they work, and how they differ from one another.