I second this, https://cryptpad.fr/ is a good alternative to a lot of the google suite including forms. You can self host it somewhere too to ensure you know exactly where the data is going
When I was using my Sony Xperia, the headphone jack was pretty darn nice. I got some truthear hex IEMS and honestly the isolation was better than any NC headphones I've used, but I may just be lucky w the fit.
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Bluetooth is cool, but so much e waste will become of true wireless, and even just most battery powered headphones because of the difficulty replacing battery. I know fairphone headphones have a replaceable battery which is neat.
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IEMs are pretty cool. You can get cable replacements, Bluetooth adapters, and straight to USB cables too. Can recommend
Probably a torment nexus. There is push on more wearables like Smart Glasses, basically making the Apple Vision style stuff cheaper and more wearable, but damn is there so much personal data they can grab with having something strapped to your face all the time. Maybe some stuff with Brain Computer Interfaces (BCIs) but god I hope not.