With the help of social media marketing, you can expand the quantity of your customers significantly. I myself use Instagram for promoting my startup and I see that it works great. By the way, I read about startups and related events here https://startupbasics.com/startup-events/. This is pretty helpful for all entrepreneurs.
Social media marketing helps to promote your URL, content and images to help gain more traffic and build your online popularity. This helps to benefit your online business.