Plans for the inauguration -- in normal times a bracing, even joyous, tribute to peaceful transition -- had already been scaled down out of pandemic concerns.
Assessing the state of Trump's finances is difficult because of the opaque nature of government disclosure information and the private status of the Trump Organization.
Trump survived a first impeachment almost exactly a year ago when the Republican-controlled Senate acquitted him of abusing his office to try and get dirt on Biden's family before the election.
In its early days, the platform attracted a crowd of ultraconservative and even extreme-right users. But more recently it has signed up many more traditional Republican voices.
In a blog post Twitter explained that the suspension was based on numerous factors, such as evidence that plans for future armed protests were already proliferating on and off Twitter.