Festive content, gaming and football captured the attention of online audiences over the Christmas period. While social media apps rank highest for time spent on smartphones, tablet devices are popular for watching video - YouTube, Netflix, BBC iPlayer, TikTok, ITVX and Amazon Prime Video all featured in the top 10 for total tablet minutes in December. The popularity of the World Cup saw 1.6 million users visit the new ITVX app for the England v France quarter final and Amazon Prime Video’s live...