When conditions change, the window can move, sometimes gradually and sometimes with startling speed.

National Public Radio marked the Fourth of July by tweeting the entire Declaration of Independence, but it seems some Twitter users didn't recognize what they were reading.

cdc funding, state ehdi programs, hearing loss surveillance and tracking

Interpublic Group recently signed an advertising agreement with the social-media platform; other agencies are also in negotiations.

There is an apparent expectation in the White House that news organizations will either use Trump-approved language, or they should expect to be punished.