A website service allow everyone(or group of people) to ask you (Yes/No/Maybe) questions.
The application( Phone, Computer ...) read it directly to you.
You can answer with the flic button.
The answer is going to be stored and shared to the people listening the answer.
"Are you ready for dinner ?" -> Yes.
"Have you feed the dog ?" -> No.
"Ready for a beer ?" -> Maybe
"Are you still living at Mons ? I am here" -> Yes
"Have you finish the meeting with M. Albert" -> No