>>>Few years ago similar hoopla for smart central heating - there the connectivity clearly was intended to be always on starting with installation.
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>My central heating has apps and malarkey, but wall keypads just make sense. What I have done, is hook it into home automation that switches heating to 20C if it's less than 17C at 6amI

Heated marble floor was the only thing where I spent much more than female advice asked for when renovating - even in winter I can walk in shorts and barefoot as the heat comes from below and is not accumulating only above my head (old house with 3.3m room height, much nicer than those current shoe boxes and with floor heating I can stay 4 degrees below typical 22 and feel comfortable). Charlie Harper running around in the same dress ruined my image, even if I dressed so years before they aired that saga.

>>>Currently no problem to buy old-style devices. But in next decade it will become difficult to escape hackable devices if one needs a replacement. TV certainly problematic, monitors soon to be. I do wonder what my next car will be - current big one very nice, even if 12 years old (another one with less cylinders and HP available for inner city driving in bad weather - on nice days motor- or bycicle used for small hops), but since Dieselgate by VW the pressure to replace whole groups of otherwise fully functioning car groups by disallowing them into inner cities might force me to choose between a hackable one built after 2015 or a true oldtimer as defined by our KBA, which means 30 years old at least to escape such regulations as emission standards.
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>I drive one of the last German-assembled VW Passat wagons available over here, though I'm considering a CLS63 Shooting Brake this year. Decision for ridiculous turbo V8 is driven by expectation that this will be the last car I buy to drive myself, so might as well go out in one of the crowning glories of the automotive age, and AMG is discontinuing the CLS Shooting Brake in 2018 so I'll end my driving days with one of the last (and best) of the rear wheel drive V8 behemoths in existence. ;-)

Autobahn car here is only an Opel Signum V6 Turbo with 300HP from unleaded gasoline. Probably the best wheelbase / total length ratio available (longer wheel base of Vectra station wagon with trunk space shortened quite a bit, but still good for skiing as a couple or for larger groups with a roof box) with a high powered engine, acceptable driver space (somewhen some mass settled on my frame without me really asking for it...) and enough space to work in rear seats. Coupled with really good seats for long stretches this city boy can find places to park without the search time needed for SUV or really big cars - and I stayed away from direct injection engine, which is problematic from emission of small particles even though not burning Diesel. In city it guzzles similar to old US style V8, esp. if cold, but on Autobahn with cruising speed of ~180km/H the engine is not taxed at all and needs not much more than one of the small 3 or 4 cylinder gas saving engines pushed to their limits, while I still can push speed up by another 50%. Brakes not up to high powered sports car level, but the car is built for top speed quite a bit above 200, so 180 feels much better than pushing typical middle class cars to within 90% of top speed.

If going for youngtimers near switching over the 30 year barrier I am thinking about a Porsche 928: not really a sports car but a GT targeting top speeds not much below my current car even if (re)designed last century, nearly totally free of old age problems like rust or plastic destructuring. If not totalled good chance it will age better than myself in the next couple of years ;-)

Currently not totally unreasonable prices like 911 or old DB SL and still might help keep that belly under control - working in the car is not thhat important any more, but arriving relaxed is ;-)

Will neither need nor make a fortune like a solid 190SL, but might rise enough in price to balance Porsche upkeep prices ;-)
After owning about a dozen different cars thinking about probably only one more car feels odd :-((