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Paul Sakuma / AP

Economist cover leader "Terror and the internet: Tech firms could do more to help stop the jihadists":

[T]he firms can act when they want to. Before Edward Snowden exposed them in a huge leak in 2013, they quietly helped American and British intelligence monitor jihadists. Whenever advertisers withdraw business after their brands ended up alongside pornographic, violent or extremist material, they respond remarkably quickly. ...

In the past, internet firms have tended to "build it first, figure out the rules later". However, the arguments about terrorism and extremist content are a stark reminder that the lawless, freewheeling era of the early internet is over. Technology firms may find that difficult to accept. But accept it they must, as part of the responsibility that comes with their new-found power and as part of the price of their success.

Go deeper

President Joe Biden vows to be "a president for all Americans"

Moments after taking the oath of office, President Joe Biden sought to soothe a nation riven by political divisions and a global pandemic, while warning that "we have far to go" to heal the country and defeat a "virus that silently stalks the the country."

Why it matters: From the same steps that a pro-Trump mob launched an assault on Congress two weeks earlier, the new president paid deference to the endurance of American political institutions.

Updated 34 mins ago - Politics & Policy

Inauguration Day dashboard

U.S. Capitol and stage are lit at sunrise ahead of the inauguration of Joe Biden. Photo: Patrick Semansky - Pool/Getty Images

President Biden has delivered his inaugural address at the Capitol, calling for an end to the politics as total war but warning that "we have far to go" to heal the country.

What's next: Biden and Vice President Harris review readiness of military troops, a long-standing tradition to signify the peaceful transfer of power.

Updated 57 mins ago - Politics & Policy

In photos: The Biden and Harris inauguration

Joe Biden is sworn in as the 46th president of the United States. Photo: Alex Wong/Getty Images

Joe Biden and Kamala Harris were inaugurated as president and vice president respectively in a ceremony at the U.S. Capitol on Wednesday morning.

Why it matters: Top Democrats and Republicans gathered for the peaceful transfer of power only two weeks after an unprecedented siege on the building by Trump supporters to disrupt certification of Biden's victory. Trump did not attend Wednesday's ceremony.