| A | B |
| Push Technology | A method of obtaining information from the Web by sending content to users who request it. |
| Pull Technology | A method of obtaining information from the Web by allowing subscribers to "pull" content to their computers when they want it. |
| Mailing List | A list of names and email addresses for a group of people who subscribe to the list; also called email list or discussion group. |
| Web-Based Discussion Forum | Similar to a mailing list, but members put their messages on a Web site instead of sending them via email. |
| Thread | Messages in a mailing list, Web-based discussion group, or newsgroup arranged by discussion or topic. |
| Newgroup | An online discussion group that is part of the Usenet database and requires a newsreader to be able to read the messages, which are stored and sorted by topic on a server connected to the Internet; messages are sorted by topic. |
| Posting | A message sent to a mailing list or newsgroup or placed on the Web site of a Web-based discussion forum. |
| Lurking | To observe messages on a mailing list or a newsgroup without posting any new messages. |
| Email List | An electronic message transferred between two or more divices connected to a network. |
| Subscribe | To send an email message to the administrative address of a mailing list or submit information on a Web page form so that you can start receiving the mailing list; also called join. |
| List Address | The email address mailing list members use to send a message to all members of the list; also called list name. |
| Commands | A request to a list sever to take a prescribed action. |
| Administrative Address | The email address to which you send mailing list commands. |
| Usenet | An acronym for User's News Network, the first newsgroups started in 1979 by a group of students an programmers at Duke University an the University of North Carolina. |
| News Server | A server that stores Usenet newsgroup. |
| Distributed Database | A database stored in multiple physical locations with portions of the database replicated in the different locations. |
| Newsreader | Software required by some newsgroups to access messages in the newsgroup. |
| Moderated Mailing List, Discussion Forum, or Newsgroup | Group communication in which all messages are read and evaluated for appropriate and relevant content by a list moderator before they are sent to members in the discussion group, mailing list, or newsgroup. |
| List Moderator | The person responsible for discarding any messages that are inappropriate for or irrenlevant to the list's members and for accepting or rejecting membership requests to a closed discussion forum, mailing list, or newsgroup. |
| Unmoderated Mailing List, Discussion Forum, or Newsgroup | Group communication in which messages are not read or evaluated for appropriate and relevant content by a list moderator before they are sent to members in the discussion group, mailing list, or newsgroup. |
| Closed List, Forum, or Newsgroup | A discussion forum, mailing list, or newsgroup in which the list administrator must either reject or accept a request to become a list member. |
| List Administrator | The person assigned to oversee an open discussion forum, mailing list, or newsgroup, can reject or accept membership requests. |
| Chat | Real-time communication on the Internet or on the Web. |
| Real-Time | Occurring in the current instant. |
| Internet Relay Chat (IRC) | A communications program that requires IRC client software to connect to an IRC server. |
| Spamming | To send unsolicited and irrelevant messages to a chat room. |
| Flaming | To use automated programs to send messages to multiple chat rooms simultaneously; also, to send profane and vulgar messages and threate to individuals. |
| Instant Messaging (IM) | A message sent over the Internet that is received almost as soon as it is sent. |
| Private Chat | A chat that occurs between individuals who know each other and are invited to participate in the chat. |
| Public Chat | A chat occurs in a chat room in which anyone who is registered with the chat service can come and go. |
| Chat Room | A public area in which anyone who is registered with the chat service can come and go. |
| AOL Instant Messenger (AIM) | Instant messaging software available to anyone for use on the Web. |
| ICQ | Pronounced "I seek you," one of the most popular instant messaging software programs available, with over 220 million worldwide users. |
| Windows Live Messenger | Microsoft instant messaging program. |
| Virtural Community | A place on the Internet where a user can post a profile of him or herself and then post a blog or share information; also called online social group. |
| Profile | A brief discription of the user's personality, likes and dislikes, and a picture, among other information that is posted on the user's page in an online social group. |
| Meetups | In-person meeting arranged over the Internet, often via a political Web site. |
| Blog | An online journal in which the blogger posts entries for public viewing; some blogs contain commentary on current event. |
| Tag | One of a set of codes used in HTML codes, that define the structure and behavior of text, graphics, and other content on a Web page; or one-word descriptions of the blog content or pages on social networking sites that bloggers and page owners use to categorize their content. |
| Mircroblog | To send short messages, usually 140 charactes or fewer, on a very frequent schedule. |
| Tweets | A microblog post. |
| Tweeting | To post a message to a microblog. |
| Podcast | A subscription audio or video broadcast that is created and stored in a digital format on the Internet. |
| Podcasting | The practice of posting an audio or video feed for subscribers to play or watch at their convenience on their computers or MP3 players. |
| Podcatching Software | Software you use to subscribe to a podcast and check for and download new podcasts. |
| Social Bookmark | A favorite or a bookmark saved to a public Web site that you can access or share from any computer connected to the Internet. |
| Application Programming Interface (API) | A means of communication with an operating system or some other program to handle specific tasks such as displaying content on the screen or printing. |
| Web Service | Data shared via APIs. |
| Mashup | A Web site created by the services from two different sited using the APIs from one or both sites to create a completely new site that uses features from one or both. |
| Cyberbullying | To use Internet communication such as email, instant messages, or online social networks to harass, threaten, or intimidate someone. |