The next time someone tells you to "live in the present" or "live in the now", hit them in the face. Or better, show them this video, explaining to them that it's impossible to live in the here and now, and that we're always "living in the past" - even if it's 80 ms later than the present. Confused? Just watch http://www.youtube.com/watch?feature=player_embedded&v=BTOODPf-iuc