Most people haven't actually purchased anything through platforms like Instagram and Snapchat, according to a study by digital commerce firm Sumo Heavyand.

Of 4,028 global consumers ages 18 and older who had shopped online within the last year, 63% of those polled shop online at least once a month and 23% shop online at least weekly.

If your plans for holiday readiness haven't changed much over the years, you may miss out on opportunities to increase year-over-year sales during the time you need them most.