Public places where you can wirelessly connect to the internet are known as wifi

Answer - Hotspots

Public places where you can wirelessly connect to the internet are known as Wi-Fi hotspots. Common Wi-Fi hotspot locations (where wireless internet connection is offered) include such places as cafes, hotels, airports, and libraries. These businesses usually create hotspots for the use of their customers.

answer; numerous occupation(s);

answer inspecting packets in isolation from their context;