The Value of Information
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
The value of learning a fact before deciding is the gain in expected utility from deciding after it arrives — and the most the fact is worth paying for.
Show
Every sensor added, test ordered, and survey commissioned is — done honestly — this subtraction, performed before the purchase.
Watch for
A fact that would not change the action is worth exactly zero, however interesting.