Auditing the Fed, replacing Fed monetary policy discretion with a mandatory price rule governing policy, even the gold standard, Nobel Laureate Friedreich Hayek pushed the envelope beyond all of these.
To travel undetected in the guise of a standard business letter, the device needed to fit into the most commonly used envelope (a number ten in America, which is about 100mm by 240mm).
There's no question that car companies have woken up a bit in recent years -- iPod integration and Bluetooth support is nearly standard across the board, but only standouts like Audi and Tesla have bothered to truly push the infotainment envelope.