Sites like that (without flashy Street View pictures bound to be wrong anyways) have been around for a very long time, many are provided by VPN providers to let their customers check how good they are hidden. It simply showed Amsterdam for me, which is my current VPN-Server, so no surprises there.
What I mostly use to check such things https://ipleak.net/
What he does is only getting the location information and simply cross-referencing it with Google Street View / Google Maps Data. That being said: It's an art installation http://bengrosser.com/projects/tracing-you/ to provoke questions about privacy in a more closely connected world than ever. Noble idea.
"First it looks up the IP address using ipinfo to obtain geolocation. This is represented as a latitude/longitude pair (e.g. 48.8631831,2.3629368) that identifies a precise location on the earth. The latitude/longitude is sent to Google, where it queries the Street View, Static Maps, and Javascript Maps data services."
What he does is only getting the location information and simply cross-referencing it with Google Street View / Google Maps Data. That being said: It's an art installation http://bengrosser.com/projects/tracing-you/ to provoke questions about privacy in a more closely connected world than ever. Noble idea.
"First it looks up the IP address using ipinfo to obtain geolocation. This is represented as a latitude/longitude pair (e.g. 48.8631831,2.3629368) that identifies a precise location on the earth. The latitude/longitude is sent to Google, where it queries the Street View, Static Maps, and Javascript Maps data services."
Not too impressive though.