News flash: Bill Belichick is old school.
The man likes his Xs and Os on a chalkboard and his Bon Jovi turned up to 11 on his Discman.
One can guess how he feels about the proliferation of tablets on NFL sidelines. On Sunday, in the midst of an ugly first half against the Buffalo Bills, Belichick's unchecked rage meant bad news for modern technology.
One can assume this is a Belichick problem, not the technology he's attempting to master. While we're here, let's remember another Greatest Hit in Belichick's battle against machines.