Put yourself in the shoes of someone arriving at your website for the first time. What reason do they have for signing up an account and adding products to your

Put yourself in the shoes of someone arriving at your website for the first time. What reason do they have for signing up an account and adding products to your database? A product like this needs an incentive, a hook. Sometimes that incentive is financial. Sometimes it’s prestige through points, votes or badges. Sometimes it’s power through moderation rights. What’s yours?