To answer your question as posed: to fix the power/information imbalance that is used to pay people less than they are worth.
To answer your question the way I wish to: thanks to Equifax's TWN, candidate resumes, reference checks, background checks etc - the candidate is already showing all their cards.
To answer your question the way I wish to: thanks to Equifax's TWN, candidate resumes, reference checks, background checks etc - the candidate is already showing all their cards.