Explore a thought-provoking conference talk that delves into the ethical responsibilities of software developers in the age of mass surveillance. Learn how the principles of agile software development can be applied to protect user privacy and defeat surveillance efforts by both governments and corporations. Discover why the argument "I have nothing to hide" is flawed and why it's crucial for developers to take an active role in safeguarding user welfare. Gain insights into the challenges of securing email communication, the impact of webmail on privacy, and the importance of making privacy the default setting. Understand the significance of metadata in surveillance and the role of cryptography in protecting user data. Leave with a renewed sense of purpose and practical steps to take action in creating more secure and ethical software solutions.