b tweeny by Hiroyuki Satake from japan

target user: A young couple, both of whom actively uses the Life-log service and various other web services

B-Tweeny is a Lifelog-data based information assistance service for couples.
With this service, the users can get the appropriate information according to their situations. Using a combination of wearable devices and environmental sensors, the users' experiences will be captured and stored in the cloud system. Thus the system can analyze and provide useful information for a specific couple.