eMarketer predicts this holiday season's online retail sales will account for nearly 25% of the year's revenue. Though ecommerce marketers have been preparing for the holidays since July, consumers generally begin shopping in November, so there is still time to enhance your holiday marketing initiatives with online video. Here are our five tips to ensure ecommerce sites are in video-ready mode for this holiday shopping season:#1. Ensure on-site videos are mobile/tablet compatible This....