Learn how to create and improve sequence diagrams for ATM software in a collaborative environment. Follow along as the instructor simulates a group design process, explaining thought processes and problem-solving techniques. Explore concepts such as missing classes, account creation, card generation, and bank ID verification. Gain insights into designing robust ATM systems, including handling withdrawals and interacting with bank networks. Practice critical thinking skills essential for software design and leave with a homework assignment to reinforce your learning.