11% of American adults have used an online dating site or a mobile dating app. Mar 26, 2015. Dating sites like OkCupid, Tinder, Match, eHarmony, and Plenty of Fish all give you access to other single people in a matter of seconds (I'm too old for Tinder though). From there. Chances are, the two of you will split hairs over scheduling conflicts for a while before you settle on a…