Often I'm asked to explain BTC to someone and occasionally I come up with something stellar that really nails it, but most times it's a rambling incoherent mess.
What I would like to see is a short and simple explanation of what BTC is that is suitable for someone non-technical to understand.
I know your pain, i have exactly the same. Its hard to tell someone what bitcoin is, because you have no idea where to start. If you will be too much vague it will make no sense at all to person listening to you.
Its revolutionary technology without central authority as store of value/currency. Not even sure which one