And how does that prove that Virgin were testing Phorm?
Virgin have been quite clear about what they have and have not done with Phorm
http://www.virginmedia.com/customers/webwise.php
Has Virgin Media ever deployed the Webwise system?
No. As part of an early evaluation of the system to understand how the technology works we have run a small technical lab test on a private internal network, not connected to the internet. We have never deployed the system, either as a trial or otherwise, and would never do so without informing our customers first