Interesting from a gadget standpoint - I wonder if any "regular" tennis players will be interested. I am reminded of this very clever lean startup experiment ab

Interesting from a gadget standpoint - I wonder if any "regular" tennis players will be interested. I am reminded of this very clever lean startup experiment about a similar concept (though it was in the racquet, not a wearable). MVP experiment using a walkie-talkie to fake a "smart racquet": https://www.youtube.com/watch?v=2eJbu4EtHMk https://www.youtube.com/watch?v=2eJbu4EtHMk Results of the experiment: https://www.youtube.com/watch?v=gZzYUW3-JHQ https://www.youtube.com/watch?v=gZzYUW3-JHQ