Simone Brunozzi, an AWS technology evangelist, gave a presentation titled "From Zero to Cloud in 30 minutes" about architecting applications in the AWS cloud. Some of the key points discussed included:
1. Designing applications to be fault-tolerant and avoid single points of failure using AWS tools like availability zones and EBS.
2. Using loose coupling between application components to improve scalability and allow components to scale independently.
3. Designing applications to dynamically scale in response to changes in usage or failures.
4. Leveraging AWS security features like security groups and encryption to build security into applications from the start.