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"As for "large technology companies" do you trust them more than the banks?"

Personally, I trust them far less than I trust banks. This is for two reasons -- first, large technology companies frequently demonstrate that they aren't very trustworthy, and second -- there is a large body of law and several government agencies that exist to make sure that banks don't get too far out of line and, if they do, will mitigate the damage to people. Technology companies have none of that.