Too Close and Crowded: Understanding Stress on Mobile Instant Messengers based on Proxemics. - In-geon Shin; Jinmin Seok; Youn-Kyung Lim (CHI, 2018)

Ten-Minute Silence: A New Notification UX of Mobile Instant Messenger. - In-geon Shin; Jinmin Seok; Youn-Kyung Lim (CHI, 2019)