Glossary

Algorithm

What is an algorithm?
An algorithm is a mathematical formula used by search enginesWhat is a search engine?
A search engine is an internet tool that allows one to find particular information of interest on the... (click for more) to determine how web pages are going to be ranked in their search results. Search engineWhat is a search engine?
A search engine is an internet tool that allows one to find particular information of interest on the... (click for more) algorithms change quite frequently and algorithms differ from engine to engine.

Auction-Based Media

What is auction-based media?

It refers to any media that is sold through an online auction. The most common example is paid searchWhat is Paid Search?
Paid Search is the most immediate opportunity to see results in search engine performance, and is a major part of a... (click for more), where the bid price is one of the key factors determining the ad's ranking. Increasingly, advertising in other media is being sold through an auction, with trials underway for magazine ads, radio ads, and other types of online ads. 

Avatar

What is an avatar?
An avatar is an icon or graphical representation of a user in an online, digital, or virtual environment. Yahoo! allows its registered users to create avatars that appear in various services, such as Yahoo! Mail and IM.