#SocialSkim: Instagram Challenges Twitter, Facebook's Year in Review, Top Video Ads, More!
'Tis the season for best-ofs and top-tens. We've got Facebook's Year in Review (plus the skinny on its new “Google-killing” search feature), trends for 2015, Instagram's challenge to Twitter in the usership arms race, and the 10 most-shared video ads of 2014. Skim for some holiday cheer. Read the full article at MarketingProfs