The Microsoft antitrust case, decided by her immediate predecessor, Mario Monti, was one of the first and biggest items in Kroes' in-tray when she became head of the European Competition Commission in 2004.
For example, the Cover Feed looks fantastic on tablets -- "it looks like a gorgeous personalized magazine about your friends" says Mosseri -- but neither viewing a massive 16 x 24 grid of icons in the app tray nor making a six-inch swipe to remove a Chat Head provides an ideal user experience.