Data Explained | What is Facebook social reach?

In the ‘v_facebook_post’ data set, the ‘post_impressions_unique’ field is used for reach. 

• Reach is a unique metric, and when comparing social reach from the user interface (UI) to reach data in ChannelMix, you’re likely to see discrepancies. 
• When data is pulled into ChannelMix it’s a “live” pull at that time. When you compare to the UI, numbers could be slightly different because you aren’t looking at the same data at the same time. 
• ChannelMix pulls lifetime data, typically for the first 7 days of the post’s life. 
• If your reporting requires a longer look-back window, please reach out to Support to discuss options. 
• Creating a “Top 10 Posts by Reach” data table can be misleading.
• For example, because we back fill data, your data set could include posts from 180+ days ago as well as recent posts. If you create a data table in your BI tool showing the top 10 Posts by Reach, be sure you are comparing apples to apples. An older post will have a higher reach because it’s been posted for a longer amount of time. This doesn’t necessarily mean that post drove more reach than a recent post.  

If you have further questions about Facebook social reach data, please reach out to Support or your Client Success Manager.