This document discusses trends in baggage handling system technologies for airports. It covers the evolution of baggage screening requirements since 9/11 and the introduction of the TSA. New technologies like in-line explosive detection, individual carrier systems using totes, and RFID/camera-based baggage tracking are outlined. Standards for baggage system design from groups like the TSA, IATA, and PGDS are also summarized. The document aims to bring readers up to date on current issues and innovations in airport baggage handling.