A possible animation for Twitter’s “undo send” feature was discovered a long time ago by application researcher Jane Manchun Wong, giving us our best view of how it can work.
The interface shows the familiar “Your tweet was sent” dialog box above a new “Undo” button. The undo button acts as a progress bar, which appears to show you how much time you have to undo a tweet before it is sent. Gmail offers a similar option for emails, where it provides a short window to prevent messages from being sent after clicking the “Send” button.
“Undo upload” has been a part of rumors of a paid Twitter subscription layer after it was first mentioned in a user survey last year. It may not be the “edit button” Twitter users have been asking for ever (and it probably will never happen), but it would still offer users the ability to quickly stop tweeting if they detect a typo or error last minute .
Earlier this year, Bloomberg reported that Twitter is exploring paid subscriptions as a way to reduce its reliance on advertising revenue in response to competition from Facebook and Snapchat. Subscriptions may include access to features like “undo shipping” and profile customization options, he said. Bloomberg also reported that Twitter was exploring ways for users to pay each other for exclusive content, a feature the company later announced as Super Follows.
Jane Manchun Wong is an application researcher who scans codes to find unreleased and unannounced features. Last year, she was one of the first to identify Twitter’s Birdwatch initiative to allow users to discover incorrect information about her service, and she also noted the review of Twitter’s verification system before its official announcement.