As VoIP grows into a replacement for the PSTN, we will absolutely need to protect it, or organized crime will be attacking it as intensively as they attack the rest of the Internet today. VoIP is far more vulnerable to interception than the PSTN. A PC on your office network can unknowingly host spyware that can intercept your corporate VoIP calls and store and organize them on a hard disk for convenient browsing by criminals half a world away, giving them trade secrets and insider trading opportunities.
The Internet is not a safe medium to carry our phone calls. But Silent Circle solves these problems. This technology has social benefits. It has the power to change our lives, enabling us to have a private conversation any time we want with anyone, anywhere - without buying a plane ticket.