There is a phrase that I have often heard.... "The only thing that is constant...is change." As far as I am concerned, that is the over-arching them of technology. It seems as soon as I grasp something, there is a new version or a better program. Then, back to the drawing board... or the keyboard, as it were.
It keeps me on my toes, but I think that I kind of like that. Fortunately I love learning and this is one area where there is always something more to learn.
Go figure.....