"It is also possible that the Chinese were after other types of data, analysts said. For instance, the U.S. Postal Service, at the request of law enforcement officials, takes pictures of all addressing information from envelopes and parcels. [1]"
[1] http://www.nytimes.com/2013/07/04/us/monitoring-of-snail-mai...
"It is also possible that the Chinese were after other types of data, analysts said. For instance, the U.S. Postal Service, at the request of law enforcement officials, takes pictures of all addressing information from envelopes and parcels. [1]"
[1] http://www.nytimes.com/2013/07/04/us/monitoring-of-snail-mai...