To get data from a screen like a web page or mainframe (green screen) using a program. The program must parse the web page source (HTML) and look for hints, like field label tags. For mainframes is much easier since the screen is just a flat ASCII string.
Screen scrape eBay or Amazon pages and collect product offerings and prices.
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Overloading a system or method. The act of accomplishing something difficult by brute forcing existing systems.
Create a bot to screen scrape web sites and populate a database with the harvested information. The information is then obtained by brute forcing the concept of getting info on the web.
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