It's likely fallen off the cliff here of late, but......

The Gross Domestic Product.  So, what is it really?  Well, that's easy you say:  the GDP is the sum of all goods and services that a country produces, corrected for seasonal fluctuations, inflation, and perhaps purchasing power.
     To which Bastiat would respond:  You've overlooked a huge part of the picture.  Community service, clean air, free refills on the house — not of these things make the GDP an iota bigger.  If a businesswoman marries her cleaner, the GDP dips when her hubby trades his job for unpaid housework.  Or take Wikipedia.  Supported by investments of time rather than money, it has left the old Encyclopedia Britannica in the dust — and taken the GDP down a few notches in the process.

-Rutger Bregman,  Utopia For Realists:  How We Can Build The Idea World