Mark t for true and f for false. no single person or government agency controls or owns the internet. the w3c is responsible for maintaining all networks and content on the internet. users typically pay additional fees for mobile hot spot and tethering services. a gigabyte (gb) is the basic storage unit on a computer or mobile device and represents a single character. a dynamic webpage’s contents generate each time a user displays the page. most browsers are available for download at no cost. mobile apps sometimes have fewer features than a web app. a subject directory is software that finds websites, webpages, images, videos, maps, and other information related to a specific topic. when you post digital content online, it is a good idea to tag it so that it is easy to locate and organize. the term, blogosphere, refers to the worldwide collection of blogs. tethering is the process of transferring data in a continuous and even flow, which allows users to access and use a file while it is transmitting. one way to protect yourself from identity theft online is to retain all your cookies in your browser.