From that Piers Morgan interview of POTUS that was posted here earlier today… POTUS had this to say about his Twitter usage:

'Or in some cases call and say: [[[“put this exact statement out” I’m very exacting. From the comma, to everything.]]] But, you’re watching and then, like two seconds later, we have ‘breaking news, Donald Trump, President Trump has just been’…. And you make a statement and such a powerful statement so quickly.’

https://www.dailymail.co.uk/news/article-5954517/PIERS-MORGAN-close-personal-Donald-Air-Force-One.html