Here's the story behind Joo Youn Paek's Pillowig:
"Pillowig" is hand made wearable pillow comforting trieness of people in daily lives, enabling users to sleep comfortably whenever and whenever they’d like. When user test is done in public spaces - subway, airplane, library, class room and laundromat, viewers commented: “I would like to have it for my trip.”, “Very funny.” “This is practical, but a laugh, too." I made 50 limited editions and sold 47 pieces at the exhibition of the work and gained “Pillowig” fans. Two months later fans did a group performance piece at the Old Palace, Seoul.
http://itp.nyu.edu/%7Ejyp243/jy/pillow.htm - Thanks Dumidu!