For years, Charles Schwab and any other financial institution has hounded us to get our statements “online”....does it matter whether we sign up for this or not....in other words, if we get mailed hard copy statements, that’s ok...but if it were via email, they would be susceptible to, ahem, interference?
Don’t worry, they can track your snail mail too using a Postal Service program called “Mail Isolation Control and Tracking” system (MICT). It photographs front and back of envelopes as they move through the sorting machinery. Its how they caught the woman who sent ricin to Bloomberg.
Nobody is saying they can see inside the envelopes but I assume they can if they wish. Science has been able to photograph paintings under paintings for at least 20 years.