The concise answer is that they have improved because more accurate and complete historical data and analytical information became available.

WHITEHOUSE: Testimony of G. Edward Deseve

Price laid out the eight steps to an impressive on-the-spot reply, which, in business, refers to a clear, concise answer that provides just enough of the right information to satisfy the questioner.

FORBES: Eight Steps to an Impressive Off-the-Cuff Reply at Work