For Marketers, TV Sets Are an Invaluable Pair of Eyes

While Ellen Milz and her family were watching the Olympics last summer, their TV was watching them.

Ms. Milz, 48, who lives with her husband and three children in Chicago, had agreed to be a panelist for a company called TVision Insights, which monitored her viewing habits — and whether her eyes flicked down to her phone during the commercials, whether she was smiling or frowning — through a device on top of her TV.

“The marketing company said, ‘We’re going to ask you to put this device in your home, connect it to your TV and they’re going to watch you for the Olympics to see how you like it, what sports, your expression, who’s around,’” she said. “And I said, ‘Whatever, I have nothing to hide.’”

Read the full article in the New York Times.