Interestingly, even as Thatcher was working to open things up and making the British class system more like America's, the US class system started becoming more and more rigid.
It's always nice to see an old tech stage a comeback and this time it's happening around the coasts of Europe, with nine low-frequency radio transmitters substituting for GPS' satellite-based system. eLoran's radiowave-based system is stronger than satellite signals and less jammable, based on the Loran system that was previously used for shipping navigation by both the BritishandUS navy over 50 years ago.