Sure it is. You just need to realize that a launch isn't a singular, end-all event. Unless you're building a marketplace, promote constantly. Don't worry about

Sure it is. You just need to realize that a launch isn't a singular, end-all event. Unless you're building a marketplace, promote constantly. Don't worry about your launch day, have thousands of little launches. When I launched Planscope, I had a strong announcement list in place. Had I not, it would have been weak. But I kept blogging and talking about the product, and a slow, linear (profitable) growth is the result.