Answer: "Netiquette".
Explanation: The common courtesy guidelines for using computers, cell phones, or any other form of technology are known as "Netiquette". Netiquette is a set of rules and guidelines that outline polite and respectful behavior when communicating online or using technology. It includes things like being respectful of others, using appropriate language, not spamming or flooding others with messages, not plagiarizing, and being cautious about sharing personal information. Netiquette is important because it helps to create a positive and safe online environment and promotes good communication and collaboration between people.