4) Start in a small geographical area. A city. On the basis that most people are looking for a date close to them. Saw within 20 miles? Get it right there, then

4) Start in a small geographical area. A city. On the basis that most people are looking for a date close to them. Saw within 20 miles? Get it right there, then move to the next few closest cities. Use geographically targetted advertising for this - facebook perhaps, for online. Local papers could work for offline....or even maybe LoveFilm subscription drop-in-fliers?