Phil Zimmermann is at the forefront of the latest communications technology with Zfone, a voice-over-IP (VoIP) peer-to-peer (P2P) encryption application. The great unknown presently is whether US policymakers who champion expanded wiretapping capabilities might attack Zimmermann's invention as enabling terrorists to use encryption as they did pretty good privacy. Regardless of how Zfone itself plays in the public discussion, Zimmermann and other industry figures say the technological and policy implications of VoIP security need to gain wider dissemination sooner rather than later