Photo: Allison Johnson / The Verge The European Commission has opened a formal investigation into Corning to determine whether it has broken antitrust rules with its dominant Gorilla Glass product. Corning's Alkali-aluminosilicate glass is used to protect most of the top phones and tablets, with both Samsung and Apple using it extensively across their range of devices. The EU is concerned that Corning has used a variety of exclusivity contracts to exclude rival glass makers from the phone market.It is very frustrating and costly experience to break a mobile phone screen. Therefore, strong competition in the production of the cover glass used to protect such devices is crucial to ensure low prices and high-quality glass," says outgoing EU competition chief Margrethe... Continue reading...