The growth in its use will exceed the fiber optic supply lines at current speed and technology.
I think a lot of internet information could be reduced considerably; people presently use it with great abandon. Back in the days of slow modems and small-memory computers, information exchange was deliberately scaled down to what was essential.
I wouldn't worry yet, some of the hyperbole in that article is a little over the top. Considering that it wasn't all that long ago that the "Copper network" had reached its limit.
Don't believe what The Mail says... Their motto is "Don't let the facts spoil a good story".