Twitter chief executive Jack Dorsey met with President Trump Tuesday at the White House — a conversation the platform called "constructive" but only provided limited details about.Flashback: Just this morning, Trump was tweeting that Twitter doesn't "treat me well as a Republican," echoing claims of anti-conservative bias on the platform that have never been backed up by evidence or reporting.What they're saying: "Lots of subjects discussed regarding their platform, and the world of social media in general," Trump tweeted, along with a photo of the meeting.Twitter said the administration had invited the company to the White House."They discussed Twitter’s commitment to protecting the health of the public conversation ahead of the 2020 U.S. election and efforts underway to respond to the opioid crisis," a spokesperson said.Yes, but: According to the Washington Post, Trump complained about his belief that Twitter was purposefully removing his followers.The bigger picture: Some of Trump's tweets, like his threats against North Korea, have raised questions about whether they violate the platform's rules and should be removed. But the company has said that newsworthiness can contribute to tweets staying up.