Google is fighting COVID-19 by monitoring location data in 131 countries. It's a reminder of how much info Google has about us and how easily the pandemic could blow up privacy. (GOOG, GOOGL)

· Google is using location data to tell health organizations which global communities are staying at home, and which aren't.
· It uses anonymized data taken from smartphones using Google's apps and services.
· The new tool shows how important data can be in efforts to stop the spread of the virus. 
· But it also raises...