Netflix CEO Reed Hastings Philippe Huguen | AFP | Getty Images

Netflix could face a substantial hit to its subscriber numbers if it brings advertising to its streaming service, a new report finds. Twenty-three percent of respondents to a recent Hub Entertainment Research survey said they would definitely or probably drop their Netflix subscription if it began running ads at its current price point or a dollar cheaper, according to Streaming Media. That percentage would represent a loss of nearly 14 million subscribers from Netflix's 60 million paid subscribers in the U.S.