Why Passpoint and How Does it Help With the Convergence of Wireless Technologies

As we grow from specific technologies such as Wi-Fi & cellular being separate technologies & authentication methods & now with these converging how can Passpoint help, how does it help & what does it look for when it see's a Passpoint enabled SSID or connectivity method. Here we will look a bit deeper and try to share what I have learnt after moving from a Wi-Fi centric guy to a Wireless guy