Published: 17:17 BST, 13 February 2014 | Updated: Eighteen:34 BST, 13 February 2014 With dating sites charging, on promedio, around ?20 a month, many singles are resorting to free social networks to find love with Facebook topping the list. Marketing rock-hard Jana asked 1,500 Eighteen to 30-year-olds te nine countries where they go online when looking for a relationship.