If you play the game open - book, the team on defense can start looking up the answer as soon as they hear the question. (educationworld.com)
They can show detailed information to clients while on the spot at showings and quickly look up the answers to their questions. (commissiontrac.com)
When I ask if they have brains, one of the laboratory researchers needs to look up the answer because she had never considered it before. (scientificamerican.com)