Now... Seriously... What's an 'interesting' question...?? So
long as the question doesn't make us sleep on it, it should be
interesting enough...??
No, seriously... Any 'interesting' question
which is not totally an empty 'open end' and you've got something
to say about the answer! 
eg. How many eyes do you have? How many eyes do you think a
human should have....? 
ASK YOUR OWN QUESTION(s) NOW!! 