Since entering the White House in January, Trump's approach to the job has been, to use his own word, "unpresidented".
Contrary to his campaign trail promise to swear off Twitter after his election, Trump continues to tweet from his personal account as well as the POTUS handle he inherited from Barack Obama.
Since becoming 45th President of the United States, he has taken a swipe at everyone from Arnold Schwarzenegger to Meryl Streep using the social media platform.
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More worryingly, Trump has also used Twitter to share impromptu musings on some of the most sensitive topics in international politics, at one point telling his 27 million followers that "North Korea is behaving very badly".
Stormy phonecalls with French President Francois Hollande and Australian Prime Minister Malcom Turnbull have done little to assuage concerns that the business-minded President lacks the tact and political nous to handle delicate diplomatic matters.
"He has built a brand on plain-talking attacks, high on timeliness and bravado and low on accuracy, diplomacy or tact," communications consultant Chris Allieri told Engadget.
Here are some of Trump's most controversial comments:
Donald Trump on…
Muslims
In arguably his most inflammatory suggestion to date, on the campaign trail Trump called for a ban on Muslims entering the US following the San Bernardino shooting. Trump said a "total and complete" shutdown should remain in place until the US authorities "can figure out" Muslim attitudes to the US. His comments sparked widespread condemnation as well as calls for him to be banned from entering the UK for spreading hate speech. The comments have since returned to haunt him: legal challenges to his attempt to freeze visas for citizens of seven majority-Muslim countres have highlighted the talk of a 'Muslim ban' as evidence that Trump's order was motivated by religious prejudice.
