to be listen on someone is the attitude of a good person, but to follow on his telling you, its up to you, we all witness the success of this bitcoin, year after years, bitcoin proves it self on to us (bitcoin holders) that this bitcoin will grow more farther than what it is before, so meaning the price of $500k is not possible to reach/hits soon, bitcoin is more better and getting more bigger day by day, so its no doubt that McAfee prediction will soon to be happen.