What is geolocation?
a. It is a website that allows users to determine their location in real life.
b. It is the act of determining a user’s real-life location using Internet and mobile devices.
c. It is a paid service offered by Internet browsers to users who wish to know and share their location.
d. It is a free service offered by Internet browsers to users who wish to know and share their location.

The correct answer is "b"