However, entrepreneurs and marketers, even professional copywriters, alike are susceptible to a common mistake that comes up when writing product descriptions: writing product descriptions that simply describe your products, as a supplement to product photography. Why is it wrong? Because great product descriptions need to augment your product pages by selling your products to real people, not just acting as back-of-the-box dispensers of information for search engines (though search engine optimization can't be an afterthought, of course). Let’s have a look at nine simple ways to persuade visitors to your online store with product descriptions that sell.