In recent times advanced hardware is being used increasingly often to observe humans' behaviour. Most of the times, they are clueless that this is happening. While this technology has numerous advantages, it has just as many disadvantages. This essay will focus on advantages and disadvantages of human observation, and I will provide my own opinion on the matter at the end. On the one hand, surveillance can help make the world a better place. Firstly, it can reduce the number of committed crimes. Using security cameras, the police can determine the rulebreaker and give them a deserving punishment. For instance, the credit system in China is reliant on security cameras and AI. Whenever a person commits a crime, the AI detects them, compares their face with everyone registered in the database, and punishes them with a decrease in credit score. Secondly, in case a person goes missing, law enforcement could pinpoint their exact location using their cellphones. On the other hand, this...