“By 1995, rollerblading’s peak year, sales reached an astounding $459.8 million.
Then began rollerblading’s decline. In the year 2000 $276.6 million worth of rollerblades were sold. That’s about a $34.5 million drop each year from 1996. The year 2001 saw a similarly modest drop in sales of $24.8 million, bringing total sales to $251.3 million.
Then, something — i.e. 9/11 — happened.”
Or cellphones. If today’s youth texted and rollerbladed at the same time, we’d have a national health crisis because the emergency rooms would be flooded with casualties.