Editor's Note: 6 Cross-Channel Retail Trends to Watch in 2013

2. A proliferation of easy payment options. As consumers continue to make more purchases via their smartphones (see prediction No. 1), they'll demand that retailers enable a variety of payment methods on their e-commerce sites and mobile applications. Consumers may also demand the option of paying cash for their online purchases. After all, Wal-Mart added cash as a payment option for Walmart.com shoppers earlier this year. Customers bring their order confirmation email to their local Wal-Mart store within 48 hours of purchase and they can pay with cash.