Cutting Through the Social Media Jargon: What Are Reach, Impressions and Engagement?

In social media marketing we talk a lot about engagement, reach and impressions, but what does this jargon mean and how does it impact your business? According to Lema Kikuchi, senior data analyst for social analytics firm SumAll, there is lots of confusion around the three words because they could mean different things on different platforms. (SocialTimes)