[eksith]

In this case "obsolete" may be the relevant term as in Automobile coach builders, meet the Buggy Whip makers. The two did co-exist in the early 1900's so the alternative, "outmoded" didn't happen overnight. But it did eventually happen.

The numbers, in the billions, of course weren't there, but my guess is that the proportions are applicable.

Edit: After reading the article, I strongly disagree this approach is "better" in any sense of the word. More along the lines of using whale oil for the automobile instead of gasoline. Gasoline isn't perfect, but it works. Until we have something better (I.E. Electric), I'll stick to that.