Samsung's Tizen 3.0 to take on Android and iOS starting in September

Many alternative mobile operating systems like Firefox have fallen by the wayside while Android and iOS continue to dominate, but Samsung's Tizen has survived.After years of inactivity, Tizen is now back on the map with a major OS upgrade. A new version of the OS -- Tizen 3.0 -- was announced this week at the Samsung Developers Conference in San Francisco.Tizen 3.0 is a big technological upgrade that should make it compatible with some of the latest smartphones and tablets. Other