Create, sync, share: the role of mobile device on social entity

The features of a mobile device already penetrate everyday life and support every moment in life. Mobile connection between people does not imply only communication way, rather it means a gateway to connect virtual world as well. In the present study, mobile device close a gadget recording everyday life named "Life diary". The life diary is embedded mobile phone application and automatically summarizes user's daily life and encourages looking back previous events. Life diary's value proposition exits in keeping memories and sharing them automatically among phone, pc, and web in a systematical way.