Candidates & Hiring Managers are moving around all the time, and that data isn't being reflected automatically in your ATS; This causes recruiters to not want to source through outdated profiles and BizDev teams to lose out on current + potential business.
That's why recruiting teams use Woo to continuously updated their entire ATS, of any size, so that they always have fresh data daily straight in their ATS, that's cross referenced from millions of data points.