The Vanguard Extended Duration Treasury ETF ( EDV) is one way to exploit deflation.

FORBES: Go Long Bonds To Exploit Deflation

This really is a crisis situation, likely of extended duration, that will require exceptional leadership and broad, multi-discipline technical competence to manage in the near term, and to overcome in the longer term.

FORBES: Boldly Reform Higher Education! Yes!

The duration of copyrights, an idea closely related to patents, has been extended again and again by governments captured by vested interests.

ECONOMIST: Why it started in Britain

For example, extended warranties and protection plans offered by these retailers are now comparable in scope and duration to those provided by Dell.

FORBES: Magazine Article