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 ...
Being tested with high-profile users, such as politicians and musicians, the system will allow a tweet to be ‘pinned’ to the top of a stream for however long is wanted. This is the same a system which ...
Twitter is rolling out free "pinned" Tweets to users with large followings, typically celebrities. They allow a Tweet to be pinned to the top of a profile for however long the account owner requires.