Franck Calzada is a real robot wizard, especially with the NAO humanoid robot from Aldebaran Robotics. He keeps on surprising me, always pleasantly, with new functionality, features, and extensions of other available routines.
This time he has his NAO executing an enhanced version of the word recognition handwriting functionality that I saw Taylor Veltrop demonstrate at the Paris Hackathon last year. Building on the original concept, Franck added speech to text word recognition, and the reverse, enabling the robot to grok and print almost any word. He's also improved the robot performance making it look much more professional.
The only minor fault I could find with Franck's implementation is the stroke order. NAO prints the characters in a very odd sequence, very different from actual handwriting - at least the handwriting of most people I know.