Apple spent millions to add a barcode to iPhone displays in order to save being charged hundreds of millions by manufacturers claiming faulty screens that may not have been.Chinese display firms Lens Technology and Biel Crystal have been controversial over their alleged use of forced labor, and Apple has been accused of letting such accusations slide. But the company has not shied away from monitoring the two firms and their claims of manufacturing problems.A new report from The Information stops well short of saying that the two display companies ever falsified their reports to Apple. Read more