HCI 다른용도의 사용에서 잠재니즈 찾기 태그: email, ethnographic, gmail, needs finding, product strategy, put to other use, research, workaround
Lifehack 애플메일에서 목록옆내용보기 플러그인, Letterbox 태그: 3rd party, apple mail, email, Interaction Design, mac, osx, snowleopard, tool, widescreen