In my experience, the communications major opens the doors to creativity in a way that many other majors simply do not. On the other hand, what is required of communications majors in order to get ahead does not appear any different from what is required of those who are majoring in other fields:
A GTIN is a numeric data structure containing 8 digits, 12 digits, 13. digits, or 14-digits. It is recommended that GTINs are represented in software. applications as 14-digits by right justifying and zero filling left, as appropriate. The term trade item refers to any product or service upon which there is a need.
They are also used to identify products sold online. Additional GTIN uses. They are commonly used on purchase orders and in delivery and payment documents. They can be encoded into various types of GS1 barcodes and Electronic Product Codes (EPCs), which are programmed into Radio Frequency Identification (RFID) tags.