This is when companies and manufacturers are looking for consumer opinion about their products and services. They want to know how their products and services are doing and they are paying a lot of money to know that. They hire research companies to offer those surveys to their subscribers and pay them for their honest opinions.
There are different survey companies online that offer those paid surveys. The only thing that you have to do is sign up and start taking those surveys and earn some extra on the side.
This has become a very popular way of making an extra side income online. But you have to know that not all online survey companies offer cash in return for your opinions, some give gift cards instead.
There are many survey companies that offer those services. Below you will find some good ones. They are free to join and free to use.