Data scraping is the process of collecting relevant data from particular websites in the public domain and then storing them in a database for use in various applications later on. The scrape scripts enable the software to crawl through the various websites and gather the relevant information. This technology has been in existence for a while now and many businessmen have made fortunes by taking the benefit of the data scraping technology. This method is much faster than manually having to search the web pages to cut and paste the data you require or by the use of scripts. One of the applications web scraping is to research on a product and compare its prices.