>In my recent tales of online dating I've run into this a lot
The reason why Tinder won and OkCupid lost so horrifically (okcupid in my area has gone from an oasis to desert in less than a year...) is because people are literally unable to even conceptualize their own interests and desires in the world we find ourselves in.
That's why okcupid profils all say they love laughing, having a good time, traveling, and are easy-going and down-to-earth. We've produced a society of totally formless humans, able to take whatever cog-shape is presented to them, and live out a meek, subservient life punctuated by crappy pictures of the Eiffel Tower or maybe, if they're really adventurous, St. Peter's Basilica.
I think Tinder's success is a great example of this in the startup sense, because they noticed hey, if most people just look at pictures and ignore all this quiz-and-essay nonsense then why not just do that? It's a recognition that people don't have personalities, they'll just mold to fit whatever they're placed in front of.
I think the next Tinder, then, going by this trend, is a machine-learning driven service that just gives you one match a day, based on how attractive you both are given your photos and measurements. You can talk and exchange outside contact information if you want, and if not you can block them/wait for the next day.