How do digital surveillance technologies impact the right to privacy and freedom of expression?

In our increasingly digital world, governments and corporations employ advanced surveillance technologies to monitor and manage activities online and offline. While proponents argue that such measures are needed for security and efficiency, critics highlight the potential for abuse and the erosion of fundamental human rights. Privacy, a cornerstone of personal freedom, often conflicts with these surveillance practices. Additionally, freedom of expression can be stifled as individuals may self-censor due to fear of being watched. How do these dynamics affect human rights on a global scale, and what measures can be taken to balance security needs with individual freedoms?