Yes there is a lot of different services who can benefit from REPU. It will perfectly work with all things with a social network part for exemple, where reputation of users is important. And there is a lot of others possibility for reputation management.
For job interviews, will save time choosing employees, to give scores to employees in different scenarios, for games, for insurance companies, etc etc, the uses are almost in all of the industries, that is why this project could go up a lot when is online.