Back in the 70's when you had people phone phreaking, the barrier to entry was high. You would need access to a box of Cap'n Crunch along with the knowledge on

Back in the 70's when you had people phone phreaking, the barrier to entry was high. You would need access to a box of Cap'n Crunch along with the knowledge on how to phreak. The barrier to entry was low with DRM-bypassing. You didn't need special knowledge; all you needed was a computer and the right software program. In this case the barrier to entry is high: by necessity you need to be a scientist with years of training. The principle, however, is the same. Once set lose, technology cannot be put back in the box. Unless you're the steam engine.