The new call to action starts by putting a value on sharing.

FORBES: Your Fair Share: Embracing the New Call to Action

The value of a share in Viacom or Seagram is in part determined by the value of that particular long-shot call option.

FORBES: Consider Your Options

The vase was discovered by Rodney Tennant, from the auction house, during a routine house call to value the contents.

BBC: The Chinese vase