And for me, I can't help but stop and gaze at all the photos going through champions tunnel, and to think I'm going to be a part of that with Jack Nicklaus and Lee Trevino and Raymond Floyd and Phil Mickelson and David Duval and Tiger Woods, it's all the best of the best.

CNN: Family man Kuchar delivers perfect Mother's Day present

The only limitations appear to be those inherent in the mobile phone network - losing the signal if you are going through a tunnel, for example.

BBC: Medicine over the mobile network