Lovelet (by Fujita et al, 2004)
Lovelet is a wearable communication tool that contains thermosensor. This sensor senses air temperature surrounding a user and the temperature data is transmitted to the partner. Lovelet illuminates in different color depending on the temperature. When one partner finds that the remote parnter is in the cold, he/she can warm user by touching the touch-sensor in his/her Lovelet to electrify the peltier device in the remote partner’s Lovelet.
Souce: Fujita, H. and Nishimoto, K. 2004. Lovelet. In Extended Abstracts of the Conference on Human Factors and Computing Systems (CHI’04). ACM Press, 1553.