1
A service where one user can type a message and another user immediately receives it. Also called chat.
2
A display screen on a computing device that can process user input through touch.
3
A file that is sent along with an email.
4
Rules for being safe, courteous, and polite on the Internet.
5
A program designed to run on a mobile device with a touch-screen interface.
6
Similar to a telephone call, but with live video feed.
7
An operating system for mobile devices.
8
Subscriber Identity Module. A small chip that gives a mobile phone a unique customer ID, phone number, and authentication codes.
9
A website where people can discuss various topics by posting messages. Typically, each conversation topic is a top-level post, and discussions happen as replies to the original post.
10
A message sent from a computer user to one or more recipients.
11
A person who purposely starts fights on the Internet to sow discord and cause distress.
12
Short Message Service (SMS). The technical name for texting on cell phones. Service that provides quick exchange of short messages that is provided through a cellular carrier instead of the Internet.
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