Between the new innovations that emerge practically every day and the fairly constant rate of change in general, things never stay the same for long in technology.
Case in point: DistroWatch's page hit rankings for Linux distributions. I've covered DistroWatch's top 10 at the end of each of the past two years, and the differences never fail to be striking.
In September 2010, the top 10 looked like this, as I noted in an article at the time:
rest here