You already have your tin foil hat, and you're pretty sure no one can find you on the Google. However, there's one detail you may not have thought of, and that's those pesky RFID chips.
RFID tags identifying who and -- gasp! —- where you are can be found in passports, ATM cards, credit cards and some state-issued ID cards. The same technology will possibly even be used in paper money in the near future.
With the right equipment, these chips can be read from afar by data snoops or your friendly government official. A Faraday cage is sufficient for blocking such eavesdropping.
Here's how to hide yourself from both the baddies and The Man.