SEM

The largest SEM vendors are Google AdWords, Yahoo! Search Marketing and Bing Microsoft ad Center.SEM was growing much faster than traditional advertising and even other channels of online marketing. Because of the complex technology, a secondary "search marketing agency" market has evolved. Many marketers have difficulty understanding search engine marketing and they rely on third party agencies to manage their search marketing.

Google also began to offer advertisements on search results pages in 2000 through the Google AdWords program. By 2007, pay-per-click programs proved to be primary money-makers for search engines.

Search engine optimization consultants expanded their offerings to help businesses learn about and use the advertising opportunities offered by search engines, and new agencies focusing primarily upon marketing and advertising through search engines emerged. The term "Search Engine Marketing" was proposed by Danny Sullivan in 2001 to cover the spectrum of activities involved in performing SEO, managing paid listings at the search engines, submitting sites to directories, and developing online marketing strategies for businesses, organizations, and individuals.

Some of the latest theoretical advances include Search Engine Marketing Management SEM relates to activities including SEO but focuses on return on investment (ROI) management instead of relevant traffic building (as is the case of mainstream SEO).

Search Engine Marketing is paid search advertising is two ways PPC ( pay per click ) and PPI (pay per impression) and another part is  SEO ( search engine optimization) is a Technique of work scoop that  organic search results results generated algorithmically -Unpaid 

SEM also integrates organic SEO and Pay Per Click . For example some of the attention is placed on the web page layout design and how content and information is displayed to the website visitor. Ethical questions

Paid search advertising has not been without controversy, and the issue of how search engines present advertising on their search result pages has been the target of a series of studies and reports by Consumer Reports WebWatch.

Vested interests appear to use the expression SEM to mean exclusively Pay per click advertising to the extent that the wider advertising and marketing community have accepted this narrow definition. Such usage excludes the wider search marketing community that is engaged in other forms of SEM such as Search Engine Optimization and Search Re targeting.

Search advertising Enterprise Search Marketing List of search engines Search engine image protection Search Engine Optimization Search Marketing World Search engines with SEM programs

Google - global Yahoo! - global Bing - global Ask.com - China Yandex - 

Because of the complex technology, a secondary "search marketing agency" market has evolved. 

Many marketers have difficulty understanding the intricacies of search engine marketing and choose to rely on third party agencies to manage their search marketing.