Think about the last time you made a purchase. Did you first browse on your phone, check back in at home with your tablet, and finally go back to your cart when you were on your phone again? And what happened when the purchase didn’t work out? Did you go to the store to return it or print a label from your desktop at work and ship it back? If you answered “yes” to at least two of these, you’re an omnichannel shopper. In fact, according to Deloitte, one-third of consumers have used two or....