FROM 10Q = "NUMBER OF REGISTERED MEMBERS IS HIGHER THAN ACTUAL MEMBERS BECAUSE MINORITY".
The number of registered members is higher than the number of actual members due to various factors. For more information, see “Risk Factors—The number of our registered members is higher than the number of actual members and a substantial majority of our page views are generated by a minority of our members. Our business may be adversely impacted if we are unable to attract and retain additional members who actively use our services. In addition, the tracking of certain of our performance metrics is done with internal tools and is not independently verified.”