&gt; Companies don&#x27;t have to be told to improve, either, not when their competitors are improving and eating market space. At least, that&#x27;s how it works in theory. A lot of industries have turned into demilitarized zones, both sides opposed but neither making a move. Telecom is the best example of how bad this gets.<p>And yet even telecoms have invested huge swaths of capital to get us to 3G then LTE.