Bluetooth is really cool, when you need your phone to connect to a device on your head from your pocket. Not so great when you running around a arena. Your page needs an internet connection to work, and while that is fantastic at home, one thing I can guarentee you is not having five bluetooth conncetions running continually in the stands. Try the
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methods in PHP. I would use get and just have an address that can be saved longer and longer with the submit script breaking it into matches. This way your scouters on their smart phones can loose their internet, and still be able to save the match data their saving to be submited when the connection returns. Not a good way to save comments,(POST lets you send more data)but if your system goes down you have a bunch of emails of long HTML address bounced your way at the end of the day to be turned into graphable data supper easily.