It's not just that we're using our mobile devices more, but how we use them has changed. For example, more and more people are using their cell phones to research products, even if they're already in a shop.
In fact, 69% of Internet users would rather read reviews on their phones than talk to an employee in a shop. In addition to reading product reviews, 58% of customers search for similar products to buy, and 55% research product specifications.[3]