You can pin a tweet on Twitter to personalize your profile page using the desktop website or mobile app.

When you post a fleet on Twitter, you can compose an original fleet with text, images, or video, or attach an existing tweet as a fleet.

All the way back in 2015, Twitter began allowing users to pin one of their tweets to the top of their profile. This may be useful for calling attention to something you'd like to promote, or just to ...