Anna Su presented an agenda covering coding education, job opportunities in coding fields, and how the internet works. She discussed how most schools do not teach coding but it is an important skill. Coding jobs like app developer and programmer are among the best jobs and are in high demand, with over 66k job openings in the US. She explained different coding roles like front-end and back-end developers and quality assurance testing. The presentation encouraged learning how browsers work and ensuring website compatibility across browsers.