i have built products that went to millions of users, zero marketing. If the product is inherently viral, you don't need to market. Othwerwise, you do.
Can you describe your product's attributes in a little more detail? I had a niche product that went "viral" within its small community. We immediately had people trying to imitate us, and most failed so badly that their products didn't work at all and any gains they made were quickly rolled back; ultimately, these copycats only served to promote our actually working product further, so they were net good things. A fe…
Can I ask for some details about the niche or product/ service you were providing? (I'm slightly worried I might be building something similar and the same thing will happen to me)