" The tweets were not incidental to his presidency. They were central. He ordered printouts of his recent tweets that had received a high number of likes, 200,000 or more. He studied them to find the common themes in the most successful. He seemed to want to become more strategic, find out whether success was tied to the subject, the language or simply the surprise that the president was weighing in. The most effective tweets were often the most shocking. "

― Bob Woodward , Fear: Trump in the White House