Apple's Craig Federighi details how ML behind handwriting recognition on iPad works, which was trained using data sourced directly from people as they wrote (Alexander George/Popular Mechanics)

Alexander George / Popular Mechanics:
Apple's Craig Federighi details how ML behind handwriting recognition on iPad works, which was trained using data sourced directly from people as they wrote  —  The more intuitive a task is for humans, generally, the harder it is for  —  can't hear your commands, or when your spam filter traps an important email.