what is the now, the moment we can't actually live in as our sensory system takes 'time' to acknowledge the true now. what we live in, is actually our last memory. the now is the face of the explosion, the big bang as time explodes forwards. and what we incorrectly call 'now' is the point just behind it. 

if you want to really live in the now, then you have to time travel a fraction of a second into the future lest the now is just a relative term.