Epst_9780451494566_2p_all_r1.z.indd 51 @ 9/29/16 5:51 Pa | | HOUSE_OVERSIGHT_019539 52 | HOW AMERICA LOST ITS SECRETS of the twenty-first century, the U.S. Naval Research Laboratory and the Defense Advanced Research Projects Agency developed it to allow American intelligence operatives to cloak their movements on the Internet. Th