이 름 전자우편 홈페이지 제목 비밀번호 (최소 4자이상의 영문 또는 숫자) Thanks for your comment JD. In this article I suggested that 61 keys is as small as you would want to go in order to get a full keyboard experience so we are not disagreeing in that sense. 88 keys is what people should aim to get to as soon as possible to develop their playing skills and options.