Good evening Sir/Ma,i might not be popular on freelancer I became a member 2 days ago, but believe me sir I gat all it takes to make sure I deliver to you a perfect article sir,a trial will convince you with my experience in computer science and desktop publishing and I also have a blog am managing so I know how important keyword is in article writing I can guarantee you am going to perfect the job, I deliberately reduce my bid to $20 dollars because I want to create a long time business relationship and also because I want you to trust me Sir/Ma,hoping to here a good response from you..