Many of us that create GIS data and share with others have no idea of the unintended consequences that the data might produce. Using data and ignoring the scale, resolution, accuracy, and where it came from might produce very wrong results.
Click below to read this rather long story about how location data married with IP addresses is causing a horror show for a couple in South Africa, and this is not the only case.
That is a fascinating article! Wow, thank you for posting this.