<Em> - EM tags <em>emphasize</em> text.The <em> tag is a phrase tag. It renders as emphasized text.

<Embed> - EMBED tag gives a command to a browser to include a multimedia elements, such as video, sound files within a web document.for example:-
<embed src="videofile.mov" width="100" height="100">
<embed src="musicfile.mid" width="50" height="50">

E911 - A service known as Enhanced 911 or E911 where emergency call takers have upgraded their equipment. E911 automatically provides call takers with the mobile phone number, cell site and sector, and the estimated latitude and longitude location of the 911 caller if the PSAP is capable of receiving it.

Early Termination - Canceling a wireless contract before the contract term is completed.

EAP - The Extensible Authentication Protocol (EAP) can be used to provide authentication to the wireless network when employing WPA-Enterprise and WPA2-Enterprise.

EAP-FAST - EAP-FAST is Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling. It is one possible EAP scheme used in wireless networks for authentication. It is being promoted by Cisco as a replacement for LEAP.

EAP-TLS - EAP-TLS is Extensible Authentication Protocol-Transport Layer Security. It is one possible EAP scheme used in wireless networks for authentication, and uses client certificates. It is widely deployed across most major Wi-Fi vendors.

EAP-TTLS/MS-CHAPv2 - EAP-TTLS/MS-CHAPv2 is Extensible Authentication Protocol-Tunneled TLS using MSCHAPv2. It is one possible EAP scheme used in wireless networks for authentication, and uses a username/password (typically authenticated by Active Directory) to provide authentication.

Early Termination Fee - A fee charged when service is canceled outside Verizon Wireless’ approved exception, or if Verizon Wireless terminates service for good cause prior to the minimum term end date for a line of service.

Easy Clip - A feature on select Samsung devices that lets you use your S Pen to draw a shape around an object on your screen. Then you can save or share whatever is inside the shape you drew.

Éclair - The 2.0 / 2.1 version of the Android™ operating system.

Ebase Xi - In computing, Ebase Xi is a rapid application development platform developed and distributed by Ebase Technology. Ebase Xi provides a software development framework that combines web browser-based user interface development, business process management and data integration into a single-technology IDE.

EBay - A online auction and shopping website, best known for its consumer-to-consumer sales. Many online merchants also use eBay as a sales channel.

Ecommerce - Buying and selling products over electronic networks, including the Internet or mobile applications. The term may apply specifically to electronic transactions or more generally to the online retailing and online business.

ECPM - Effective cost per mille tells a publisher what he or she would have received if they sold advertising inventory on a CPM basis.

EDGE - EDGE (Enhanced Data rates for GSM Evolution) is the final stage of the evolution of the GSM standard, bringing 2G closer to 3G capacity for data transfer (faster download). EDGE was launched on GSM networks for the first time in the US in 2003 with a typical speed of 384 KB/s.

Editorial review  –  Policies that govern the content and forms of advertising accepted by the search engines. Every time you create

EDR (Enhanced Data Rate) - An option available with some Bluetooth® devices that provides a faster data rate and sometimes an improved battery life.

EFT (electronic funds transfer)  -  a method of crediting or debiting an account through electronic means. Eliminating the need for paper, such as a check or withdrawal slip.

E-Gift Card - Electronic gift card you can send from Verizon Messages to any US mobile phone number that can receive picture messages. eGift cards are billed to your Verizon Wireless account, and you can send them to devices on any US mobile carrier. The recipient can use the bar code in the store, add the value of the gift card to an existing physical gift card or to a company’s mobile app. Send gift cards from a variety of retailers (e.g., Starbucks®, Amazon®, Home Depot®) for the amount you choose.

EISA bus  - A 32-bit bus for PCs built around 386, 486, or Pentium chips. EISA was developed as an alternative to IBM’s microchannel bus, and is more compatible with the original ISA bus. EISA computers can generally use ISA cards as well.

Electronic check - an electronic version of the traditional paper check. It includes all the components of a paper check and can be used as a method of payment on the internet. Currently the payment gateways that are integrated with ecbuilder do not support electronic checks.

Electronic check security - a combination of state of the art technology and established business practices to prevent fraud on electronic checks. Electronic check pilots are currently being conducted using a combination of technology tools, data encryption, digital signatures, certificates, secure e-mail and smart card technology to ensure that the security of the system is not compromised.

Electronic check verification - the validation of an electronic check using certificates and digital signatures. Once the electronic check is deposited, the bank will perform additional verification against internal databases.

Electronic wallet - also called a virtual wallet, a software mechanism that allows commerce server users to store and use credit card and electronic payment information. Typically, information in the wallet is encrypted and is persistent from session to session. Currently the payment gateways that are integrated with ecbuilder do not support the use of electronic wallets

Email (Electronic Mail) -  Messages, usually text, sent from one person to another via computer. Email can also be sent automatically to a large number of addresses.

E-mail Advertising - banner ads, links or advertiser sponsorships that appear in e-mail newsletters, e-mail marketing campaigns and other commercial e-mail communications. Includes all types of electronic mail (e.g., basic text or HTML-enabled).

E-mail Bounce - An e-mail that cannot be delivered to the mailbox provider and is sent back to the email Service Provider that sent it. A bounce is classified as either ―hard or ―soft . Hard bounces are the failed delivery of e-mail due to a permanent reason, such as a nonexistent address. Soft bounces are the failed delivery of e-mail due to a temporary issue, such as a full inbox or an unavailable ISP server.

 E-mail campaign - advertising campaign distributed via e-mail.

Email header -  The top portion of a received email message, containing information about the routing of the message. Message headers are not usually seen when you are reading your email, but may be viewed by invoking the view headers mode of your respective email program.

E-mail Inbox - Within a mailbox provider, the default, primary folder that stores delivered e-mail messages.

Email list segmentation - Email list segmentation is an email marketing technique where you segment (or split) your subscriber list, based on any number of conditions. It is a technique used by businesses and marketers to send relevant communications to specific people in an email marketing list.

E-mail Mailbox Provider - the e-mail program, and by extension the server, that hosts the targeted e-mail address E-mail Preview Pane – a small window within a mailbox provider that allows the user to view some e-mail content without opening the e-mail. E-mail Service Provider (ESP) – a business or organization that provides the e-mail campaign delivery technology. ESPs may also provide services for marketing, advertising and general communication purposes.

Embedded  Negatives  –  Strategy that allows advertisers to show for every variation of a keyword, except for the keyword itself. This is a great way to help avoid cross-contamination of campaigns/ad groups housing similar or closely related terms along with ad groups that house different match types.

Ember.js- Ember.js is an open-source JavaScript web framework, based on the Model–view–viewmodel (MVVM) pattern. It allows developers to create scalable single-page web applications by incorporating common idioms and best practices into the framework.

Emoticon -  Another name for a “smiley”, an emoticon is a sequence of keyboard characters used to punctuate a message or posting by expressing the writer’s emotional state. For example:a smile:

EMV (Europay, MasterCard and Visa) - A global standard for inter-operation of integrated circuit cards (IC cards or “chip cards”) and IC card capable point of sale (POS) terminals and automated teller machines (ATMs), for authenticating credit and debit card transactions.

Encoder – a hardware or software application used to compress audio and video signals for the purpose of streaming. See codec Encryption - securing digital information so that it is unreadable without the use of digital keys.

Encoding - the process of compressing and separating a file into packets so that it can be delivered over a network.

Encryption - The process of scrambling a message to ensure data secrecy. The message is encoded using an electronic key, which makes it unintelligible to anyone except to the holders of the other half of the key. There are two main types of encryption methods, private key and public key encryption.

End date - The date a campaign is scheduled to end.

End User – Another term for wireless subscriber or consumer, end users are people and / or entities that utilize short codes for communication with applications.

Enhanced CPC (ECPC) – Automatic bid management feature designed to increase your ROI by raising or lowering your bids for keywords that the system predicts are more likely to convert.

EPG (Electronic Programming Guide) - an application that allows the viewer to interactively select his/her television programming. Ethernet - a networking technology that links computers together in local area networks.

Equal weighting - An ad delivery method for which the Ad Server evenly distributes impressions between ads in the line item.  See ad delivery mode.

ESN (Electronic Serial Number) - An identification number embedded by the manufacturer on a wireless communications device. It is automatically transmitted to the wireless network each time the device is used, which associates that phone with the subscriber's account and phone number. Mobile Equipment Identifier (MEID) began replacing ESN in 2006.

ESRB (Entertainment Software Rating Board) Ratings - A rating system used to identify the minimum age for which an app or video game is appropriate.

ESS - An extended service set (ESS) refers to a network with two or more APs working cooperatively. They share access to the same VLAN, use the same SSID, and can support fast handoff between clients that move from the coverage range of one AP to another.

ESSID - The Extended Service Set Identifier is the “name” of the wireless network, and is used by all APs that provide access to the same infrastructure in an ESS. It can be advertised by APs in their beacons, or suppressed so that clients must ‘know’ the ESSID before associating with an AP. See ESS.

Ethernet - A very common method of networking computers in a LAN. There is more than one type of Ethernet. By 2001 the standard type was “100-BaseT” which can handle up to about 100,000,000 bits-per-second and can be used with almost any kind of computer.\

ETV (Enhanced Television) - a type of interactive television technology which allows content producers to send data and graphical "enhancements" through a small part of the regular analog broadcast signal called the Vertical Blanking Interval. These enhancements appear as overlays on the video and allow viewers to click on them if they are watching TV via special settop box/software services.

EVDO (Evolution, Data-Only or Evolution, Data-Optimized) - A technology that provides over 10 times faster data transmission rates than previous data technologies.

E-waste - Electronic products and components that are unusable and/or have been discarded. Examples of e-waste include defective smartphones, broken phone chargers and old computer parts.

EDR (Enhanced Data Rate) - An option available with some Bluetooth® devices that provides a faster data rate and sometimes an improved battery life.

E-waste - Electronic products and components that are unusable and/or have been discarded. Examples of e-waste include defective smartphones, broken phone chargers and old computer parts.

Exact Match - One of the three different match types that Google Analytics defines to identify a URL for either a goal or a funnel. An exact match is a match on every character in your search string from beginning to end.Example: if you set your exact match URI to "/page1" then only the "/page1" string will be included. "/page12345" would not and "2/page1" would also not be included.

Expandable banners - A banner ad which can expand to as large as 468 x 240 after a user clicks on it or after a user moves his/her cursor over the banner. See iab.net for the IAB IMU guidelines.

Export - Export refers to the process of assembling your edited video project into a single file that can then be played back on it’s own, shared, or uploaded.

Exporting - The practice of selling items to wholesale or retail customers in another country. 

Exposure - Exposure is the amount of time light is allowed to hit the sensor. The longer your exposure, the more light will get in and the brighter your image will be.

Ext JS - Ext JS is a pure JavaScript application framework for building interactive cross platform web applications using techniques such as Ajax, DHTML and DOM scripting.

External Display - A secondary display on the outside of the device that enables such features as seeing the number and photo of the person calling before you answer the call.

External identifier - A free-form reference ID. For example, “Debbie’s Account.”

External viewer - A program that is launched or used by Web browsers for presenting graphics, audio, video, VRML, and other multimedia files found on the Internet. It’s sometimes referred to as a helper application. When you initially set up your browser, you configure the external viewers you want by associating them with file types extensions. This way, the browser knows what to do when these files are “clicked on.”

 Extranet - An intranet that is partially accessible to authorized outsiders via a valid username and password.

Ezine - An electronic magazine. Most of the time these are magazines that only exist in cyberspace.