Apple is testing its system-wide integration of Nuance speech-to-text technology in iOS 5, says 9to5Mac, citing unnamed Apple employees. Leaked and obscured pictures show a microphone icon next to the spacebar and the technology in use with the Messages app. Although the feature is in what was described as "early beta testing," there's no assurance that the feature will appear in the initial release of of iOS, which is expected to be released sometime this fall.