|The most complete summary of Facebook Performance across all metrics. It is calculated by a weighted sum of the four social pillars: Presence, Audience, Engagement and Buzz.|
|The Track Social Facebook 100 (F100) Index is an aggregation of the Facebook activity of 100 of the world's best known Brands. The F100 provides an overall measure of the trend in activity and performance for Brands on Facebook.
Most metrics in the F100 start from Jan 1, 2012. There are a few metrics that were introduced after that date.
The brands in the F100 (see full list to the right) were chosen to be representative of activity on the Facebook platform by large, well-established brands.