1)It means this must be the only
Universe (no recollapse).
2)
2)It means that everything will
eventually freeze and fade away (as the cosmic background is doing). The
average temperature has already fallen to 3 degrees absolute.
3)
3)It means that the contents of the
observable Universe are actually diminishing with time, as stuff
accelerates out over our horizon. Eventually there won’t be much to see outside
our locally bound region of space.