Database entrepreneur Robert Moore has uncovered a vast guerrilla marketing campaign being waged across the US, and potentially at a global level.

Across America, yard signs advertising localised online singles and dating services point towards an enormous data collection effort. The signs point towards dating sites with a domain-name linked to that town, suburb or locality (e.g. [name]dating.com).

The website is little more than a front for a national data collector; with 1000s of sites registered, each site asks the same questions and collects the same data. The dating company or companies (or contractors) are then responsible for placing yard signs across America.

This campaign, which has been going on for at least two years, potentially nets $1,000,000s, and is hidden behind a veil of secrecy, with obscured domain name registration.