The concept of an electronic business card holder has been around for a long time; even the early TV direct-marketing pioneer "Businesscom" once had this kind of function. Even though this thing, which looked quite similar to a Wisdom Star (a popular electronic learning device), was extremely popular at one point, nowadays when a conference starts, isn't it still the case that paper cards are flying everywhere? Thus, designers Sungwoo Park and Bongkun Shin came up with the idea of B-Scanner.