Hidden gems in iOS 7

Mattt Thompson covers a handful of new APIs and updates available in iOS 7:

…this week’s issue will hit on some of the gems hiding in plain sight: NSData Base64 encoding, NSURLComponents, NSProgress, NSProcessInfo activities, CIDetectorSmile, CIDetectorEyeBlink, SSReadingList, AVCaptureMetaDataOutput, AVSpeechSynthesizer, and MKDistanceFormatter.