Removing information is information, too.

Readers of Neal Stephenson’s Cryptonomicon know it: If you try to keep things secret, better not just erase the news you want to keep to your self.

By being forced to blurr military facilities, satellite data services like Google Maps are made to unintentionally reveal the very information they are supposed to keep secret: Just keep looking for the weird clouds covering the otherwise sunny landscape and you will find all that should be hidden.

Read the full story here:

https://fas.org/blogs/security/2018/12/widespread-blurring-of-satellite-images-reveals-secret-facilities/