For over 10 years Twitter had a hard character limit of 140 characters. With some detailed data analysis, we discovered some trends that users were experiencing paint points and trying to cram all their thoughts into the last few characters depending on the language they Tweet in. We needed a way to change a character limit depending on language input, but we didn't know what language you're about to type in. My role was to create a design that displayed how much you've typed without showing a number.
Read my full breakdown of the process on Twitter's Design Blog