What do you do if you wonder what an endoplasmic reticulum is? You will probably google it. Because that’s what people do first thing these days: interview the search engine. And there are certainly people who have questions about your topic.
So, when you run a blog and tell your readers about your product, you’re also generating traffic for your website. Readers who may not be looking for a service or your product in the first place will land on your site through the blog and become aware of your product.