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The Internet is made up of a massive network of specialized computers called routers. Each router's job is to know how to move packets along from their source to their destination. A packet will have moved through multiple routers during its journey. When a packet moves from one router to the next, it's called a hop.

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Internet security consists of a range of security tactics for protecting activities and transactions conducted online over the internet. These tactics are meant to safeguard users from threats such as hacking into computer systems, email addresses, or websites; malicious software that can infect and inherently damage systems; and identity theft by hackers who steal personal data such as bank account information and credit card numbers. Internet security is a specific aspect of broader concepts such as cybersecurity and computer security, being focused on the specific threats and vulnerabilities of online access and use of the internet.

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What makes social media unique is that it is both broad and relatively uncensored. While many social media companies impose some limitations—such as taking down images that display violence or nudity—there are much fewer limitations on what someone can share than there with other means of mass communication like newspapers, radio stations, and television channels.

Anyone with internet access can sign up for a social media account. They can use that account to share whatever content they choose to, and the content they share reaches anyone who visits their page or profile.

# data[].attributes.body
Uploading means data is being sent from your computer to the Internet. Examples ofuploading include sending email, posting photos on a social media site and using your webcam. Even clicking on a link on a web page sends a tiny data upload. Downloading means your computer is receiving data from the Internet.

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Noun. A person who does not know, or is not known in, a particular place or community. stranger. unco.