SEM services stand for search engine marketing services and are used to promote a product or a company through marketing them in search engines like google and Yahoo. These services work on the idea of more the marketing, more the sales. They make the website more visible to customers and promote the product. For these services to work properly, they work with seamless coordination with the client by reporting the daily promotions, creating graphs and pie charts to denote the progress and by means of open communication. Many experts in this field make more progress by identifying the potential customers and targeting the advertisement towards them than to hawk it to a heterogeneous mixture of users.