Jeff Moss (hacker) also works with Mr. Robot's technical consulting team. DEF CON was portrayed in "The X-Files" episode "Three of a Kind" featuring an appearance by The lone gunmen. DEF CON was portrayed as a United States government-sponsored convention instead of a civilian convention. Actor Will Smith visited DEF CON 21 to watch a talk by Apollo Robbins, the gentleman thief and to study the DEF CON culture for an upcoming movie role. Jeff Moss (hacker) Jeff Moss, also known as Dark Tangent, (born January 1, 1975) is an American hacker, computer and internet security expert who founded the Black Hat and
Global Trade Item Number and GTIN-14s may be encoded in ITF-14 or GS1-128 barcodes. The choice of barcode will depend on the application; for example, items to be sold at a retail establishment could be marked with EAN-8, EAN-13, UPC-A or UPC-E barcodes. The EAN-8 code is an eight-digit barcode used usually for very small articles, such as chewing gum, where fitting a larger code onto the item would be difficult. Note: the equivalent UPC small format barcode, UPC-E, encodes a GTIN-12 with a special Company Prefix that allows for "zero suppression" of four zeros in the GTIN-12. The GS1 encoding and decoding rules