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Classmates.com
Founded: 1995 Estimated users: 40 million
Addictiveness rating: 8
This site was developed by Randy Conrads to allow members in the US to find classmates from kindergarten all the way through to college. It has also been expanded to include military service personnel. Basic members are placed on the list to be found and can search the database for former classmates. Gold members, who pay a fee, are able to send an email to any member and use the website's tools to organise reunions.
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