Not sure what the “full experience” is exactly; I was just clicking a link to another page and this told me to login to Twitter. Medium provides an increasingly poor reading experience. It started with some dodgy typographical proximity, and has extended to a confusing IA, zillions of fixed banners, pointless sharing icons and this downright rude interjection. As ever, the lesson is: host your own writing otherwise someone will try to “monetise” it by chucking stuff in the way of the reader.