Donald Trump has exploited social media like no other US president, using it as a springboard to change policy, as a cudgel against critics and as an outlet for self-affirmation. "He needs to tweet like

Attack, attack, attack — with a notable exception

The president's staff wanted his tweets on a 15-minute delay

Foreign intelligence services try to catch his attention

Trump's retweets have given a boost to extremists

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He doesn't follow back

You've probably never seen him tweet in public

Mornings are for tweeting

We read every single presidential tweet ever

Twitter is not real life