The word "con" is short for the word "convenience" and it is commonly used to describe a person, place, or thing that makes life easier or more efficient. The "con" is also found in a wide range of public services such as public transport, banks, and other services that are designed to make life easier. When used correctly, the "con" can be very beneficial to society by helping people get around faster or allowing them to access the services they need in a timely manner.

The "con" can also be used in a negative manner.