Mike Green and Jonathan Gregory discussed the emerging use cases for RFID in retail, particularly in food. Jonathan highlighted the significant waste in the food industry, citing a UN report estimating 363 million tons of food waste annually. RFID's role in improving inventory management, consumer safety, and regulatory compliance was emphasized. The conversation covered the benefits of RFID tags with embedded attributes like expiration dates and batch lots, which can enhance efficiency and reduce waste. They also discussed the integration of RFID with QR codes for better consumer engagement and supply chain visibility. The potential for RFID in perishable goods and the need for standardized data encoding were also noted.