I wonder if it would be possible for human existence to survive in this universe forever. Through technology such as traveling through worm holes, half biological and mechanical bodies with nano machines that have our cells never degenerate. Who really knows where technology will bring us.
I just watched that new Tron movie, the main characters father describes time passing in the digital world as seconds are to years... maybe we will put our brains into a matrix type reality where time passes slower, that way we would increase our time of existence in the real world substantially...maybe we've already done it? Hehehe, i am so baked right now.
Edit: Dude, i watched this stephen hawking show about time, where it says time will pass slower if we can get a shit into orbit really close to a black hole... we could combine that with the matrix idea for ultimate time!