Thanks to medical advances the population aging become very common, more and more people pay attention to the topic of elderly care.

With smart sensors the cloud service combines IoT (Internet of Things) and big data analysis technologies to provide very useful information about the activities of an elderly home alone. The information includes all the activity record inside the house, the time of going out and coming home plus sleep quality. Based on these informative charts, the family members and care taker can easily keep track of the the elderly's daily life, and take corresponding action when needed. Most of all, it wouldn’t bother the elderly's life and no privacy concerns involved since no camera or wearable device is used.