High-speed photography, computer analysis, launch monitors, bio-mechanics and sports science have all contributed to an enormous improvement in the understanding of the swings of both elite and ordinary golfers.
This new information has been reflected in an ever-increasing flood of instructional material being made available in books, magazines, videos and online courses.
All golfers know about the dramatic advances in equipment technology which have taken place over the last few decades.
And for tour players, technological innovation has also made possible the collection of ever more detailed and sophisticated statistics about every aspect of their games.
The pros now take it for granted that they need to pay close attention to their stats in trying to find their maximum competitive edge.