COVID-19 South Africa Facebook Mobility Index
This page is used to show Facebook Movement Range Data to explain how humans are responding to physical distancing measures.
There are two metrics:
* People Moving around: How much people were less moving around after COVID -19.
* People Localized to home: People who were localized near or with in home.
To understand how movement has changed over time, Facebook establish a baseline period for comparison for that Facebook uses four weeks of February, from the 2nd to the 29th, as a baseline period.
Movement Range Trends were collected for the people who enable Location history and Background location collection services on the Facebook on a mobile device:
https://www.facebook.com/help/278928889350358
FB quantify how much people move around by counting the number of level-16 Bing tiles( ~600 meters x 600 meters in area at the equator) they are seen within a day:
https://docs.microsoft.com/en-us/bingmaps/articles/bing-maps-tile-system
Data source: https://data.humdata.org/dataset/movement-range-maps