(A play-through demonstrating Smartzer's interactive video overlay tech at play, as seen on the Feelunique website) As the Christmas season approaches, more and more brands are gearing up their marketing for the festivities and the onslaught of sales potential the season brings with it. Feelunique, one of the leading online beauty retailers in the UK have chosen to enhance their video content created to market their advent calendars with Smartzer tech. Increasing product enga