When Dave Compton needed food for his dog, Shorty, he didn't spend hours searching for deals on the Internet. He just invented an algorithm to do the work for him. Now patented, that algorithm—ShopGenius—helps shoppers on NetPlenish find the best deals on more than three million household products. When members place items in their NetPlenish shopping carts—such as batteries, coffee and tea, and haircare products—the website searches its trusted merchants, such as Walgreens, Sephora, and Walmart, to find the lowest total cost on both products and shipping. Shoppers can harness NetPlenish's powers through its website, NetPlenish.com, or through its iPhone and Android apps. Customers can also sign up for yearly Premier memberships, which grant perks such as free shipping, cash back, and the password to the Internet's secret clubhouse.