I really like the idea. I can see this being really popular amongst a group of friends in lots of social situations - bars, dinner parties, events.
That said, I know Quora is the thing right now, but how does asking a question and getting yes/no from your friends have anything to do with Quora? Yes this is a Q & A service but Quora isn't a yes/no type of Q&A service. Also - this is amongst your friends, whearas Quora's popularity is being driven by the answers from 'experts/insiders/etc' to questions from 'outsiders.'
I don't want to just assume the headline is purposely click-bait so I'll just ask...how do you see this as Quora meets SMS?