Give 1 billion split 500M into 2 charities like cancer research. With The rest i would probably order the next 10 Playstation Consoles, Build a mansion, Get a Super Computer for gaming , and buy some awesome cars
We cant go to the future but we can go back in time. Our brains see 80 Milliseconds in the past and our nerve pulses can travel up to speeds of 250mph or 402kph so its pretty fast if you watch this guy go pretty fast http://www.youtube.com/watch?v=BBtwRAbul1Y he is going faster then the speed of our brain can go if you want to learn anoymore just watch Vsauces video about it https://www.youtube.com/watch?v=BTOODPf-iuc