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Illustration: Eniola Odetunde/Axios

Twitter's decision Friday to kick President Trump off Twitter proved just the opening salvo in a broadening series of other consequential moves by tech companies cracking down on those who took part in or encouraged last week's insurrection at the Capitol.

Why it matters: The moves have renewed debate over how much power tech companies should have to decide whose content lives on the internet.

The big picture: Despite much outcry, the U.S. government has done next to nothing to regulate misinformation on large tech platforms — leaving the companies to set their own rules, which are often changed on the fly.

  • It's not just Twitter and Facebook that hold the key. Payment processors, hosting companies and other infrastructure providers operating behind the scenes also exercise considerable power.
  • They all cite terms-of-service agreements that bar incitement of violence as the basis for their bans.

Catch up quick: Since Twitter permanently banned Trump on Friday...

Together, these moves effectively limit both operation and distribution of the service, which says it is now looking to rebuild from the ground up.

Flashback: The involvement of infrastructure companies in adjudicating speech issues remains controversial.

Between the lines: Banning potentially dangerous speech doesn't necessarily end it. Sometimes the speech just gets pushed into more obscure online corners that are harder to observe and regulate.

  • 8chan, for example, changed its name to 8kun, found a new server, and lives on as an influential platform for conspiracies.

Meanwhile: Tech companies — including Apple and the cell phone carriers — are also finding themselves dealing with a variety of requests from law enforcement as agencies look to track down those who took part in the storming of the Capitol.

  • Many participants have been identified already through the work of citizens searching through publicly available social media.

Go deeper: All the platforms that have banned or restricted Trump so far

Go deeper

Facebook takes new steps to deter inauguration week violence

Photo: by Valera Golovniov/SOPA Images/LightRocket via Getty Images)

Facebook on Friday said it would block the creation of new events near the U.S. Capitol and state capitol buildings as it tries to prevent violence in the week of the inauguration.

Why it matters: Facebook and other tech companies are scrambling to stop their platforms from being used to plan or carry out violence following the storming of the U.S. Capitol on Jan. 6.

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Annelise Capossela/Axios

  1. Health: CDC director defends agency's response to pandemic — CDC warns highly transmissible coronavirus variant could become dominant in U.S. in March.
  2. Politics: Biden readies massive shifts in policy for his first days in office.
  3. Vaccine: Fauci: 100 million doses in 100 days is "absolutely" doable.
  4. Economy: Unemployment filings explode again.
  5. Tech: Kids' screen time sees a big increase.
  6. World: WHO team arrives in China to investigate pandemic origins.
Dave Lawler, author of World
3 hours ago - World

Alexey Navalny detained after landing back in Moscow

Navalny and his wife shortly before he was detained. Photo: Kirill Kudryavtsev/AFP via Getty

Russian opposition leader Alexey Navalny was detained upon his return to Moscow on Sunday, which came five months after he was poisoned with the nerve agent Novichok. He returned despite being warned that he would be arrested.

The latest: Navalny was stopped at a customs checkpoint and led away alone by officers. He appeared to hug his wife goodbye, and his spokesman reports that his lawyer was not allowed to accompany him.