Noted with alarm in this comment regarding the horrific privacy-invading adware that is Phorm:
Their programmers are mostly Saint Petersburg-based, home to the Russian Business Network. Their servers are kept only in Saint Petersburg and China, so no ISP customer data is ever stored in the UK. Any personally identifying information they obtain about UK citizens can never be seen or purged using existing UK Data Protection Laws.
St. Petersburg is turning out to be quite a source of online nastiness — the new Boca Raton.