2000 words article about  -  Mining Hidden Value in the Deep Web: Challenges and Opportunities. 

In the answer you should Demonstrates a commendable ability to engage independently in investigating and researching material with a breadth of reading substantiated with credible and accurate referencing. Describes ideas and complex concepts thoroughly and accurately. Demonstrates evidence of understanding, synthesis and critical evaluation. Achieves the learning outcomes to a commendably high standard.

Also please Harvard style reference your sources.