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Illustration: Sarah Grillo/Axios

Consumer data has long been the core asset of the internet economy, but consumers have never been able to put a tangible price on the data they share.

Scoop: Sen. Mark Warner (D-Va.) is drafting a bill that would require web platforms of a certain size, including Facebook and Google, to regularly tell users the value of their data, according to a person with direct knowledge of the proposal.

  • Platforms would have to tell users what data had been gathered from them and how it’s used for commercial gain.
  • The proposal would also force platforms to tell the Securities and Exchange Commission how it obtained data that holds commercial value, as well as the total value of their data holdings.

In California, Gov. Gavin Newsom is developing a "Data Dividend" to let residents be paid for access to their information so they can "share in the wealth that is created from their data."

Economists ran a 2017 experiment to estimate the actual value of these free services. They asked participants in the Netherlands the least amount of money they would accept to leave an online service for a month. Their average answers:

  • About $110 to log off Facebook
  • A whopping $600 to give up WhatsApp
  • Under $1 to stop using Skype or Twitter

In an Axios-SurveyMonkey poll, 54% said they wouldn't pay to avoid having their data tracked.

  • Of those who would consider paying, 21% would be willing to pay less than $1 at most, and 15% would be willing to pay less than $5 at most.
  • Young people aged 18–24 (45%) were more likely to be willing to pay than people aged 65 and older (25%).

Yes, but: Data is most valuable when it's interacting with other data, like purchase history, location and communication patterns. That means the value of an individual's data is worth less on its own than when it's on a service like Facebook that has massive scale.

Go deeper: What Facebook knows about you

Methodology : These data are from a SurveyMonkey online poll conducted among adults ages 18 and older in the United States. Respondents were selected from the more than 2 million people who take surveys on the SurveyMonkey platform each day. The survey was conducted March 5-6, 2019 among 2,122 adults. The modeled error estimate for the full sample is plus or minus 3.5 percentage points and full crosstabs are available here.

Go deeper

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Food banks feel the strain without holiday volunteers

People wait in line at Food Bank Community Kitchen on Nov. 25 in New York City. Photo: Michael Loccisano/Getty Images for Food Bank For New York City

America's food banks are sounding the alarm during this unprecedented holiday season.

The big picture: Soup kitchens and charities, usually brimming with holiday volunteers, are getting far less help.

5 hours ago - Health

AstraZeneca CEO: "We need to do an additional study" on COVID vaccine

Photo: Pavlo Gonchar/SOPA Images/LightRocket via Getty Images

AstraZeneca CEO Pascal Soriot said on Thursday the company is likely to start a new global trial to measure how effective its coronavirus vaccine is, Bloomberg reports.

Why it matters: Following Phase 3 trials, Oxford and AstraZeneca said their vaccine was 90% effective in people who got a half dose followed by a full dose, and 62% effective in people who got two full doses.

Updated 7 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Health: Coronavirus cases rose 10% in the week before Thanksgiving.
  2. Politics: Supreme Court backs religious groups on New York coronavirus restrictions.
  3. World: Expert says COVID vaccine likely won't be available in Africa until Q2 of 2021 — Europeans extend lockdowns.
  4. Economy: The winners and losers of the COVID holiday season.
  5. Education: National standardized tests delayed until 2022.