I have had really good experience with a Microsoft Research project called Path. The main usecase I had was navigating places like shopping malls without proper

I have had really good experience with a Microsoft Research project called Path. The main usecase I had was navigating places like shopping malls without proper shop numbers or any addressing scheme. You can find it discussed here https://www.microsoft.com/en-us/research/blog/path-guide-new-approach-indoor-navigation/ https://www.microsoft.com/en-us/research/blog/path-guide-new...