Most of us send e-mail BCCs all the time, never stopping to think they are hardly Blind CARBON Copies. Yep, they are Blind CYBER Copies.
Candidate Obama sent to Jesse Jackson through the Internet a top-secret BCC of the e-mailed offer letter to his Veep pick. Reverend Jackson promptly told aides he wants to cut-off Senator Biden's low hangers, but could not say so on CNN because the Blind Cyber Copy (BCC) was confidential.
by WordWiseMan September 2, 2008