Most people who use Twitter have had the experience: you fire off a quick tweet, realize it contains a typo, then get annoyed you can’t click edit to fix it. Twitter users have been clamoring for an edit button for years.

Elon Musk, who has recently been buying up shares in the microblogging platform and has made a US$48 billion offer for the whole company, asked his 82 million followers if they wanted an edit button. His (deeply unscientific) poll attracted 4.4 million responses, with 73% favor.

Other social media platforms let you edit posts after you’ve sent them. It seems like it would be a simple feature to add, so why doesn’t Twitter do it?

Well, the time may, at last, have arrived. Independent of Musk’s poll, Twitter has confirmed that an edit button may be in the works. Enterprising users have even dug out some hints of what it might look like.

So what’s the fuss about?

Why has Twitter been so opposed to an edit button? The answer might be that it isn’t as simple as it appears.

The first thing to know about tweets is that there is fundamentally no way for Twitter to pull them back after they are sent, unlike posts on many other platforms. The reason is that Twitter has what’s called an Application Programming Interface (or API) which allows third parties such as other apps or researchers to download tweets in real-time.

That’s what powers Twitter clients such as TweetDeck, TweetBot, Twitteriffic, and Echofon, which account for some 6 million users.

Once third parties have downloaded tweets, there’s no way for Twitter to get them back or edit them. It’s a bit like an email. Once I’ve sent it, and you’ve downloaded it, there’s no way for me to delete it from your machine.

If a user were to edit a tweet, most Twitter could send out a message saying, please edit this tweet, but the third party could choose whether or not to do it. (This is currently what happens when tweets are deleted.)

Cats and dogs

More importantly, an edit button might have unintended consequences and could be weaponized.

Consider this. I, a cat lover, decide to tweet. I love cats!

Then you, being also a cat lover (because why wouldn’t you be), decide to quote my tweet, agreeing I do too! (Remember when Twitter used to be this innocent?)

What happens if I edit my original tweet to declare I love dogs? You are now misrepresented as a dog-lover, and when your cat-loving friends see this (which they will when I reply to your tweet, mentioning them all), they disown you.

Yes, this is contrived, but it doesn’t take much imagination to see how the edit button might be used in this fashion, mainly by things such as bot armies. Will Twitter users be happy to trade this possibility for the convenience of fixing typos in their tweets?

Warts and all’: a bug or a feature?

Twitter has built its reputation on being the most real-time of the social media platforms, the place where earthquakes are reported quicker than by scientific instruments. However, for many people, Twitter postings’ warts and all nature are starting to look like a bug rather than a feature.

Will an edit button change Twitter’s unique brand? There may be ways to facilitate this, such as only allowing edits within a short time of posting, but it is undoubtedly a consideration for the company.

More generally, the design of media platforms shapes the type of discussion that occurs on them.

The presence of the like and retweet buttons on Twitter encourages users to create content that will entice others to click these buttons and make their content spread further. This, in turn, shapes the nature of the conversation that occurs on the platform.

Similarly, websites use algorithms and designs to nudge users in particular directions, such as to buy a product.

There is a rich body of research into the ways discourse is shaped by the design of social media platforms, which establishes that every affordance a user is given affects the conversation that ends up taking place.

This means that beyond the fundamental technological challenges, Twitter must think about the possible unintended consequences of seemingly simple changes even to the level of a humble edit button. The medium shapes the message, and Twitter must think carefully about what sorts of messages they want its platform to shape.

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