Cooper's reaction was, typically for him, understated and brief -- just as his announcement that he was gay had been. He came out in a relatively under-the-radar manner, penning an email to friend and blogger Andrew Sullivan.
"The fact is, I'm gay, always have been, always will be, and I couldn't be any more happy, comfortable with myself, and proud," he wrote.
Cooper's name immediately began trending on Twitter, as seemingly everybody weighed in. The reaction appeared to be overwhelmingly positive, as people congratulated him for taking the step.
Throughout Monday, CNN said that Cooper was away on assignment and would likely not make any extended comment beyond his email. On Tuesday, though, Cooper sent a single tweet to his followers: