In practice I've found it works pretty well. Every geolocation service I've tried (just did 6-7 now) gets my country right, and more than half get the city/reg

In practice I've found it works pretty well. Every geolocation service I've tried (just did 6-7 now) gets my country right, and more than half get the city/region. I've always had it get online students' locations right too.