If you are interested in finding customers for your product, I would advise you to look at a social network like Linkedin.
Personally, I've been using it for quite some time because I'm associated with advertising, for me, it's a great platform for finding a good customer.
It's a place where you can meet a group of people who are your interests and discuss and share different useful information with each other.
This is not a social network
https://techniciansnow.com/7-reasons-not-looking-for-alternatives-to-linkedin/? for entertainment content, here the focus is on people who love work and business in which they want to develop and do something new and interesting.