http://sr7wtu3yb6cv5zz4gshbjnc5cfofv5ulj6jkxgzej4zhupcsriahp6id.onion/about.html
This data is
collected from several sources: for example, from Mastercard (all your
purchases, yes, they do sell your data [2]), Facebook (Location,
friends, gender, age, relationship graph [3]) , Whatsapp (same as
facebook, plus address book), your mobile phone ISP (real approximate
location 24h/D), some other data...