![Matt Navarra on Twitter: "Bad news, social media managers... Facebook is changing how it calculates organic impressions meaning it will likely show a decline. Changes rolling out between Oct 17 - 28 Matt Navarra on Twitter: "Bad news, social media managers... Facebook is changing how it calculates organic impressions meaning it will likely show a decline. Changes rolling out between Oct 17 - 28](https://pbs.twimg.com/media/EHGs3uEXUAAxshP.jpg:large)
Matt Navarra on Twitter: "Bad news, social media managers... Facebook is changing how it calculates organic impressions meaning it will likely show a decline. Changes rolling out between Oct 17 - 28
Do you know what are impressions? How they are measured? What is viewability and why do we measure data?
![PR 101: What is a Media Impression? – SHIFT Communications: A Performance Communications Agency + PR Firm in Boston | New York | San Francisco PR 101: What is a Media Impression? – SHIFT Communications: A Performance Communications Agency + PR Firm in Boston | New York | San Francisco](https://farm4.staticflickr.com/3703/13868991823_faaa8a91aa.jpg)