Start a website for your pizza shop and include a menu, prices, specials, and a newsletter sign-up form. Give away something free, such as special discounts for subscribers only, if customers sign up for your newsletter. Add your website address to your promotional items and on the mini menus. Use the newsletter to promote specials throughout the year.

Offer all customers a free topping in exchange for their email address. Add these customers to your newsletter list of subscribers.