Jinbo Liang

Which social media medium have you primarily used for product selling and/or service promotions (to your target audiences)? Enter the name of your product/service and website link below (Let's get to know more of each other's products and services), and how did this medium helped expand and influence growth into your business?

I currently run a publication about technology and startups in Substack, but I have limitations because I'm writing about different editorial lines and I need SEO support. So what place should I look?