Why did we start drinking water from bottles? When did it really catch on? Was drinking from glasses so tricky? Was the water from the faucet that bad? Is it a conspiracy?
What’s happened with water consumption is the reverse of what’s happened to newspapers. With water, we used to get it for free (basically) and now we pay for it — and thus, an industry has arisen. With newspapers, we used to pay for it and now we get it for free (basically) — and thus, and industry has nearly died.
Strange, isn’t it?