Yes, except then you're relying on data coming from untrusted users. How long do you think it would take before someone figures out a way to put themselves at t

Yes, except then you're relying on data coming from untrusted users. How long do you think it would take before someone figures out a way to put themselves at the top of the list? ;) Edit: OK. Assuming you're only looking at data locally, you'll probably run into API limits. Users are only allowed to make 60 requests to the API per minute. My guess is you need more than that to generate these statistics.