Once again, I/O was held at the Moscone Center in downtown San Francisco, May 28 29. At ’s annual confab for third-party developers, engineers from across the world attended the show to hear about ’s latest products services. This year, revealed, among other services, Android y, a new way to purchase items in brick–mortar stores using Android smartphones; a developer preview of “M,” the next version of the Android operating system; Brillo, a new OS based on Android that controls devices in the home lets them talk to each other; a new photo sharing app called otos.