According to Connected Life, a study of over 60,000 internet users worldwide from global research consultancy TNS, the average Millennial with internet access spends 3.1 hours a day on their mobile devices, the equivalent of 21.7 hours every week.

Digital marketers across all industries, drawing on a broad palette of digital tactics to achieve their objectives, found that the four most popular are email marketing, social media marketing, search engine optimization (SEO), and content marketing. A new study by Extole finds that retail marketers use many of these same tactics, but not necessarily to achieve the same goals.

According to CEB TowerGroup research, holiday gift cards were predicted to surpass $124 billion in sales last year, with 77% of Americans giving a gift card in the last year says CardCash. But Bizrate Insights survey has found a 15 point gap between desire to give and receive gift cards for the holidays.