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Facebook CEO Mark Zuckerberg has spent the year under increased political pressure. Photo: Jeff Roberson / AP

Lawmakers expressed concern and confusion about the role of big data and algorithms used by major web companies like Facebook and Google at a congressional hearing Wednesday.

The takeaway: Tech firms are under increasing pressure to account for their impact on society — including how information is targeted to individuals on their platforms — but policymakers have a steep learning curve when it comes to understanding the technology behind the popular services.

Quote of the day: "We don't, I don't think, as a committee really know how to get socks on the octopus, so to speak, here because it's complicated," said California Democrat Rep. Anna Eshoo. "Free speech is central to us. But we also know that there are bad actors that have used the best of what we have invented to divide us, and something needs to be done about that,"

The gritty details:

  • Concerns were bipartisan. "We know that there is in effect paid prioritization on some of these platforms, right, because you buy advertising, and it strikes me that at least Google it's an amazing American company — does incredible work — but has about 77 percent market share of search," said Rep. Greg Walden, the Oregon Republican who chairs the House Energy and Commerce Committee. "And I've had consumers complain to me about what they believe to be the use of algorithms that have disproportionately affected them."
  • Net neutrality cast a shadow over the conversation. Republican lawmakers raised the difference in how neutrality is treated for internet providers — who are subject to regulations slated to be repealed next month at the FCC — and web platforms. Democrats said that plan to repeal the rules would hurt free speech online.

Go deeper

Updated 1 hour ago - Health

First North American Omicron cases identified in Canada

COVID-19 testing personnel at Toronto Pearson International Airport in September. Photo: Steve Russell/Toronto Star via Getty Images

The first two cases of the new Omicron variant have been detected in North America, the Canadian government announced Sunday evening.

Driving the news: The World Health Organization has named Omicron a "variant of concern," but cautioned earlier on Sunday that it is not yet clear whether it's more transmissible than other strains of COVID-19.

5 hours ago - Health

WHO: Not yet known whether Omicron leads to more severe disease

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

The World Health Organization on Sunday said that it is not yet clear whether the newly discovered Omicron variant is more transmissible than other strains of the COVID-19 virus.

Why it matters: The agency's statement comes as the variant, discovered in South Africa, has already been detected in European and Asian countries.

10 hours ago - Health

Fauci: Omicron variant will "inevitably" be found in U.S.

Photo: Chip Somodevilla/Getty Images

Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases, cautioned on Sunday that the COVID-19 Omicron variant will "inevitably" be found in the United States.

Driving the news: Fauci, Biden's chief medical adviser, told ABC's George Stephanopoulos on "This Week" that U.S. officials will meet with colleagues from South Africa later on Sunday to try to determine the severity of the cases, as countries scramble to learn more about the variant.