Last year the top ecommerce trends focused on social integration, customer analytics and ecommerce remarketing. This year, it is clear that the days of building websites to best service consumers who mainly shop on a computer or laptop are over.
Mayan prophecies aside, 2012 is all about mobile customers. If you're not mobile, you're simply not competitive. And your ecommerce business will suffer as you lose sales to competitors who provide a good shopping experience on mobile devices.