Musk also tweeted that he is looking forward to making “significant improvements to Twitter in coming months!”

Many Twitter users – among them, Kim Kardashian, Ice T, Katy Perry and McDonald’s corporate account – have long begged for an edit button. The company itself recently teased users with an April Fool’s Day tweet saying “we are working on an edit button”.

Its Twitter account said on Tuesday that the April 1 tweet was not a joke and it has been working on it since last year – and that it did not get the idea from Musk’s poll.

Twitter said it will test the feature in its paid service, Twitter Blue, in the coming months. It said the test would help it “learn what works, what doesn’t, and what’s possible”.

So it may be a while before most Twitter users get to use it, if they do. Twitter spokeswoman Catherine Hill declined to answer if it was a feature that would be rolled out for all users.

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Twitter’s vice-president of consumer product, Jay Sullivan, tweeted on Tuesday that an edit feature has for years been the most requested, since people want to fix mistakes, typos, and “hot takes”.

Former Twitter CEO Jack Dorsey had said that Twitter had considered an edit button, but in a January 2020 Q&A maintained that “we’ll probably never do it”.

He cited wanting to keep the spirit of Twitter’s text-message origins – texts cannot be edited – and the confusion that could result from users making changes to a tweet that has already been highly circulated by others. Dorsey stepped down as CEO in November 2021.

People who study Twitter also say adding an edit button would change the nature of Twitter, making it less valuable as a historical warehouse that stores official statements by politicians and other high-profile people.

Twitter, for better or worse, “has become the de facto news wire”, said Jennifer Grygiel, a Syracuse University communications professor and an expert on social media who researches propaganda.

Tweets are often embedded in news stories, which could cause problems if the users edit important or controversial tweets without leaving evidence of the original statement. Grygiel suggested instead giving Twitter users a window of time to edit their tweets before they publish them.

Letting powerful Twitter users edit their tweets means they would not be historical statements any more, Grygiel said. “We need to think about what the implications are, what these tweets are, who has power.”

The company acknowledged those concerns on Tuesday evening.

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Sullivan, tweeted: “Without things like time limits, controls, and transparency about what has been edited, Edit could be misused to alter the record of the public conversation. Protecting the integrity of that public conversation is our top priority when we approach this work.”

Musk, too, had said that a proposal for a post-publication edit window of a few minutes “sounds reasonable”.

Musk is someone who could seemingly use an edit button. His tweet about taking Tesla private at US$420 per share, when funding was not secured, led to a US$40 million SEC settlement and a requirement that Musk’s tweets be approved by a corporate lawyer. Musk is still embroiled in a fight over that settlement.

Twitter had earlier seemed to be taking a tongue-in-cheek approach to Musk’s poll. Twitter’s CEO, Parag Agrawal, retweeted the poll with a seeming reference to an earlier tweet by Musk, saying “The consequences of this poll will be important. Please vote carefully.”

Musk had used the same language in a March tweet describing another one of his polls that asked whether Twitter adheres to free speech principles.