When employers act like cartels and connive to not compete on salary, directly[1] or indirectly[2] 1. E.g. Steve Job's email to Eric Schmidt 2. E.g. the Work

When employers act like cartels and connive to not compete on salary, directly[1] or indirectly[2] 1. E.g. Steve Job's email to Eric Schmidt 2. E.g. the Work Number as a specific instance