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eBay

The leading online auction site.

E-Business

Electronic business, derived from such terms as "e-mail" and "e-commerce," is the conduct of business on the Internet, not only buying and selling but also servicing customers and collaborating with business partners.

EDI

Electronic Data Interchange
EDI system allows linked computers to conduct business transactions such as ordering and invoicing over telecommunications networks. Often cited as the ancestor (and still viable alternative to) Web services.

E-Mail

Electronic mail is the exchange of computer-stored messages by telecommunication.

E-Mail Address

The address used for sending e-mails to a person or an organization. Typical format is username@hostname.

E-Mail Server

A web server dedicated to the task of serving e-mail.

Emoticon

An emoticon is a short sequence of keyboard letters and symbols, usually emulating a facial expression, that complements a text message.
:-)
;-)
:-(

Encoder

Hardware or software used to create MP3 files from an audio stream.

Encryption

To convert data from its original form to a form that can only be read by someone that can reverse the encryption. The purpose of encryption is to prevent unauthorized reading of the data.

Enterprise 2.0

This refers to the process of taking Web 2.0 tools and ideas and introducing them to the workplace, such as creating a business wiki in order to hold online meetings or using an internal blog as opposed to sending out email memos.

Equalizer

A component designed to alter the frequency balance of an audio signal. Equalizers may be graphic, parametric, or a combination of both.

Ethernet

Ethernet is the most widely-installed local area network technology.

Extranet

An extranet is a private network that uses Internet technology and the public telecommunication system to securely share part of a business's information or operations with suppliers, vendors, partners, customers, or other businesses.