Twitter currently bans harassment, abuse and posts that seek to cause physical harm to someone. The platform also has other railings, such as a ban on misinformation related to COVID-19.
Musk has said he supports letting people change his tweets, a proposal that has sparked a heated debate among academics, journalists and other heavy users of the platform.
A social network the size of Twitter processes billions of content every day. How and why tweets go viral, and how Twitter's recommendation system works
With the company going private, it will not be under pressure from shareholders to continuously increase advertising revenue. Musk has said he should move to a subscription model.
Twitter took some steps in that direction last year with the introduction of Twitter Blue, a premium service that costs $2.99 per month for additional features
In a unanimous meeting on Monday afternoon, a Twitter employee asked CEO Parag Agarwal if Trump would be reinstated. Agarwal said it was a question for Musk