Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Industry Retail Consumer packaged goods (CPG) Apparel Fresh foods General merchandise Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice Public sector Region Latin America North America Country (-) Brazil China Germany Hong Kong India Turkey (-) United States Benefits Data quality Inventory management Operational efficiency Standards GTIN 1D barcodes 2D barcodes GS1 Digital Link Services (-) Verified by GS1 GDSN Type of organisation Retailer Government (-) Brazil (-) United States (-) Verified by GS1 Clear all filters Showing 3 results Retail, Consumer packaged goods (CPG) The data quality journey of chocolate and candy giant Mars Wrigley Thanks to a range of data quality initiatives, product data accuracy is now close to 100% Public sector Brazil’s Tax Administration knows the importance of valid product identification Using Verified by GS1 to authenticate the GS1 GTINs used to identify products on e-invoices, SEFAZ h... Retail, Fresh foods Brazilian gourmet shop scans the world’s first 2D barcode with a GS1 Digital Link Parla Deli is unlocking business value and connecting to customers by implementing the very latest G...