September 2011
Many generations from now people will be living in the far future but they won't know it, because, of course, they will be living in their present – just as our present was the far future to our distant ancestors.
Of course, the question of the future gets gets a bit more complicated when we consider space travel. One theory (which may be fact) is that extremely distant stars exploded and disappeared many years ago; but we think they still exist because the light from them has not yet finished reaching us – such are the vast distances involved (and we're talking light-years here).
So, if and when deep space travel becomes a reality the situation could arise where a space craft, and crew, could, simultaneously, be travelling into the future, as measured by Earth time and back in time as measured by Greater Universe Time. When our intrepid voyagers finally reach their destination star they may find it no longer exists!
As they sometimes still say, up North, 'Think On!'