New online formats gutted the newspaper-ad business. Why pore over tiny print looking for a job in the want ads when you can tap a few keywords into monster.com, then click through and apply? Why pay a steep per-character rate for a classified when you can hawk a whole garage full of used stuff on EBay or Craigslist for free?

One of the ugly secrets of the renewable-energy industry is that its products make no economic sense unless they are highly subsidized.

The dilemma for early 21st century journalism is this: Who will pay for the news?

Nathan Myhrvold Quotes