Search Advertising
In Internet Marketing, Search Advertising is a method of placing online advertisements on Web pages. Search advertisements can be placed on Web pages that show results from search engine queries. Through the same search-engine advertising services, ads can also be placed on Web pages with other published content.
Search advertisements are targeted to match key search terms (called keywords) entered on search engines. This targeting ability has contributed to the attractiveness of search advertising for ad buyers. Consumers will often use a search engine to identify and compare purchasing options immediately before making a purchasing decision. The opportunity to present consumers with advertisements tailored to their immediate buying interests encourages consumers to click on search ads instead of unpaid search results, which are often less relevant.
Keywords
Search advertising is sold and delivered on the basis of keywords. The user of a search engine enters keywords to make queries. A keyword may consist of more than one word, with three words usually serving as a practical limit for advertisers.
According to ComScore ecommerce trend information, the year 2006 saw online spending increase by 24 percent over 2005, with the online shopping industry raking in an estimated total $102.1 billion USD. Most of the buyers reached these seller sites through the use of search engines. These trends are not to be ignored. This is why we at eTechsol mostly stress on our clients to spend budget on Display and Search Advertising realistically.
Following are the some stats regarding searches across the globe.
Worldwide Search by Region, August 2007

Source: comScore, 2007
Google | Yahoo | MSN | AOL
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