The fiat money will always be there, but there's a chance that a paper / coins will disappear it is happening right now in China where WeChat is everywhere and even beggars are having QR codes. But I do believe that cryptocurency will have bigger and bigger impact on people. The Libra is great example of it

I also recommend you watching other documentarys about climate change and how to deal with it.
Leonardo di Caprio produced Cowspiracy as well. I highly recommend this one as well.

The suplements are not working as well as well balanced diet. So it's much better for your organism to get vitamins etc from real food instead of suplements. But if you are not able to eat healthy the suplements are ok

It's not true, the users might see your number if you won't change your privacy settings. So I advise you to double check it

I recomend to give free access to water to everybody.
Drink more water its healing component

 go to Settings --> Privacy and Security --> Phone Number --> Nobody - I checked it and it works - nobody will be able to see your number.

Beautiful work!