According to Twitter, the paid-for supplementary service would come with options like a “undo tweet” button, bookmarks, and a reading mode.

The restricted roll out is meant to let the corporate “get a far better understanding” of what customers wish.However, the firm declared that the platform’s free version would still exist.

According to Twitter subscribers can receive “perks,” like configurable app icons for phone home screens and “fun color schemes” for the app.