Richardson, 66, is part of a growing group of seniors who have turned to online dating. As the stigma of logging on to Internet dating services has faded, senior singles. was very positive." Match.com, the most popular online dating. Crimes linked to Tinder and Grindr increase seven-fold; Want to find love? Ditch dating apps and strike up a conversation ; The UN says dating apps increase HIV Aly Walansky is…