Online advertising or internet advertising is the most powerful means of reaching the most prospective customer. One can target specific markets where they have the presence or feel the potential to sell or promote.
Online advertising can be search marketing or display marketing or social marketing
The effectiveness of an online advertising campaign lies in using effective use of Headline and content in the ad or an eye catching image in case of banner ad. The next part is the strength of landing page which is the face of the product or service a company or a person offers.
Search marketing ads are placed on search engines such as Google, Bing or Yahoo.
Google is the leader in Search Engine and ads placed on Google search engine are viewed by millions of people every day. The ads placed on the top or the right hand side of the search page. Each click costs and not the impression this is commonly referred as pay-per-click (PPC). This is also called search engine marketing SEM.
Bing and Yahoo are next to Google in search engine marketing which work on the same formula as Google i.e pay per click. One can place targeted ads on Bing and Yahoo search engine too.