As of 2018, there are 3.196 billion people using social media on the planet, up 
   13 percent from 2017 to 2018.
           Source: https://blog.hootsuite.com/social-media-advertising-stats/
       Percent of company sales through the 
                      Internet
         Source: https://cmosurvey.org/wp-content/uploads/sites/15/2017/08/The_CMO_Survey-
                   Highlights_and_Insights-Aug-2017.pdf
         Social media spending as percent of marketing budgets
                  Source: https://blog.hootsuite.com/social-media-advertising-stats/
      According to the latest CMO survey, social media advertising budgets are predicted to 
      increase by 32 percent in 2018, and almost double by 2023.
             Interesting Facts
   • Seventy percent of people use social media daily in North America, 
    but social media penetration is still at 42 percent globally.
   • On average, people around the world spend two hours and 15 
    minutes every day on social media, which is one out of every three 
    minutes spent online.
   • In fact, people are spending more time on social than watching TV 
    Fifteen minutes more, to be precise. On average, 50 percent of 
    people use Facebook daily, while only 39 percent watch television.
   • Social media advertising revenue is forecast at $51.3 billion USD 
    for 2018. That’s $17.24 per user. Revenue is set to grow 10.5 
    percent annually.
    The Different Types Of Social Media 
        Platforms To Serve Ads
  • Social networking (Facebook, 
   LinkedIn, Google+).
  • Microblogging (Twitter, 
   Tumblr).
  • Photo sharing (Instagram, 
   Snapchat, Pinterest).
  • Video sharing (YouTube, 
   Facebook Live, Periscope, 
   Vimeo).