OKCupid is one of the most popular dating sites and is free to sign up initially.
It works with special algorithms that match users with potential dates.
Harvard Business School graduate, Mark Brooks, has been an expert in the Internet dating business since 1998.
He is currently the CEO of Courtland Brooks, a consultancy agency for the Internet dating industry, and runs Online Personals
Bumble is a dating app that only allows women to initiate contact in opposite-sex connections; in same-sex connections either party may initiate contact. Since 2012, Tinder has been matching singles based on their social profiles and geographic location. Both users must “swipe right” before being matched and are then able to chat within the app.