| Online advertising has 
                      brought in revolutionary 
                      changes to the advertising and marketing 
                      world. The viewers of advertisements have surpassed the 
                      geographical boundaries of the companies operations. This has indeed 
                      made online advertisements popular as it has turned to be a big business 
                      for search engines in providing these services due to its 
                      wider demographic consumers who can be easily contacted through 
                      the medium of Internet. Most of the companies use this mode 
                      of advertisement by either using the Internet or the World Wide Web, 
                      for delivering the messages relating to their products or services. 
                      The acquisition of Doubleclick by Google, which is a leader in the 
                      ad words, is the best instance in recent days to show the progress of 
                      online advertising. The starting of 
                      e-commerce portal by many companies, including 
                      Amway, highlights the growth of businesses in the virtual world. The 
                      online advertisements usually include:  contextual advertisements on 
                      search engines, banner advertisements, rich media ads, social 
                      networking advertisements, advertising networks, online classified, and 
                      e-mail marketing, including spam 
                      mails. Consider this: the online advertising market had grown 
                      over more than $600 bn by 2007 and worldwide spending on 
                      Internet advertising totaled $65.2 bn in 
                      2008.  Though online ads look colorful, the other side of 
                      advertising business in general has some insensitive practices, 
                      which involve major risk factors. Hence, minutest care needs to be 
                      taken, especially while designing an online advertisement. 
                      Advertisers should follow certain ethical and legal parameters in order to 
                      protect the interests and legal rights of the users, especially those relating 
                      to privacy. This is very important in the online environment where 
                      security lapses are innumerable.  |