This paper describes several new models for sharing location information without disclosing identity data to some third party server. All our services proposed in this research share the common background idea. It could be described as a safe location sharing. It combines server-side (centralized) location information with the locally based distributed identity information. In this distributed data store, identity info is always saved locally. The proposed approach eliminates one of the biggest concerns for location based systems adoption – privacy. This article describes our approach as well as several generic implementations. - our new paper from ICDT-2013. It is about our WATN approach.