Identifying the country a person lives in would be reasonably accurate. ISPs are generally country specific and have a known range of public IPs. It's been we

Identifying the country a person lives in would be reasonably accurate. ISPs are generally country specific and have a known range of public IPs. It's been well known since the creation of www that users attention spans are non-existent and they will leave a page if they don't see the information that interests them within seconds.