The difference between rating points and share when comparing television audience measuring techniques is that: The difference between rating points and share when comparing television audience measuring techniques is that: rating points are based on households with television, and share is based on houses using television. rating points are used to measure audience for network shows, and share is used to measure audience for local shows. rating points are based on viewership by daypart, and share is used to measure viewership across all dayparts. rating points are used to measure audience for a program, and share is used to measure audience for an advertisement. rating points are used to measure reception, and share is used to measure retention