phishing attempting to get private information by using false emails spamming sending unwanted emails unfriend removing someone from a list on social networking sites such as Facebook browser software that lets you read online content URL a web browser's address of Internet pages and files blog an online writer's column or article ISP the company or government organisation that connects you to the Internet bookmark a file in which you can save the addresses of web sites hacker someone who breaks into a computer over the Internet netiquette the informal rules that govern good Internet use