I find the the dating app world fascinating, it's trying to replicate something you can only find out in person through not actually being in person. I think there's tons of opportunity here for building real connection.
I wouldn't say I'm working on a dating app but in my free time I host singles and social events for people to connect and have fun! As part of this I'm working on some apps that largely function as a reverse dating app. Meet in person but follow up online without the risk of giving away your personal information. We'll see where it goes, but its been fun so far!