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https://webmonkeyuk.wordpress.com/2012/01/26/putting-a-gps-tracker-in-the-mail/ https://webmonkeyuk.wordpress.com/2012/01/26/putting-a-gps-t...
by coolspot 5y ago
https://webmonkeyuk.wordpress.com/2012/01/26/putting-a-gps-tracker-in-the-mail/ https://webmonkeyuk.wordpress.com/2012/01/26/putting-a-gps-t...
- orhmeh09 5y agoThis is from 2012 and it concerns the UK mail system, not USPS.