In a putative class action lawsuit against defendant-parcel delivery company alleging it had improperly reclassified plaintiffs-drivers from employees to independent contractors in violation of California law, denials of plaintiff-employees' motion to compel and motion for class certification are reversed where: 1) the trial court erred in finding the proposed class lacked ascertainability; and 2) the trial court abused its discretion in denying plaintiffs' motion to compel disclosure of the identity of potential class members.