Not long ago, the ability to digitally track someone’s daily movements just by knowing their home address, employer, or place of worship was considered a dangerous power that should remain only within the purview of nation states. But a new lawsuit in a likely constitutional battle over a …

If you live in the United States, the data broker Radaris likely knows a great deal about you, and they are happy to sell what they know to anyone. But how much do we know about Radaris? Publicly available data indicates that in addition to running a dizzying array …