Use open source software more than big tech. This supports the little guy or girl and allows for a more decentralised and healthy internet.
KYC is supposed to protect you but in reality it does the opposite.
Learn about the Bitcoin Lightning network, it is quite possibly the future of micropayments and day to day transactions.
An enjoyable and informative task...
Delete metadata from files and photos before sending them. This can remove location and other sensitve data.
A superb messaging app that is hardcore on privacy.