1. Mokbel, M. F. (2007). Privacy in location-based services: State-of-the-art and research directions. In Mobile data management, 2007 international conference on, pp. 228–228. IEEE.
2. Acker, L., Curran, W., Susi, S., & Velazquez, M. (2006). The impact of the FCCs position on wireless E911.
3. Stalking Your Friends with Facebook Messenger. (2015). https://medium.com/faith-and-future/stalking-your-friends-with-facebook-messenger-9da8820bd27d
4. Popular Science News. (2014). http://www.popsci.com/nycs-payphones-will-become-gigabit-wi-fi-access/-points
5. Wi-Fi zones e-Nagar project News. (2014). http://yourstory.com/2014/02/narendra-modi-e-nagar