Twitter wants you to stop screengrabbing tweets and share them instead
Twitter is taking steps to increase engagement on the platform by discouraging people from taking screenshots of tweets. iOS users are the first to be subjected to prompt to share a tweet rather than a screengrab of it.
The move makes it clear that Twitter is able to determine when users are taking screengrabs, and while many of the images will end up being shared on Twitter itself, the company would prefer that links were shared to other platforms to encourage click-throughs.