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"Svirsky ran a series of tests where he had participants fill out online surveys for money and made them decide whether to share their Facebook profile data with a survey taker in exchange for a bonus (in some cases, 50 cents). In a direct trade-off scenario, Svirsky found that 64 percent of participants refused to share their Facebook profile in exchange for 50 cents and a majority were “unwilling to share their Facebook data for $2.50.” In sum: Respondents generally sacrificed a small bonus to keep from turning over personal information.
"But things changed when Svirsky introduced the smallest bit of friction. When participants were faced with what he calls “a veiled trade-off,” where survey takers had to click to learn whether taking the survey without connecting to Facebook would be free or cost them 50 cents, only 40 percent ended up refusing to share their data."












