What is the main purpose of a web crawler program Apex?

Is the price of a one-year subscription to your favorite magazine a function of the age of the subscriber? Is Minnie Mouse a lesbian? How many yards and inches equal 17 feet? How do you write 8? How do you change the headlight on a 2000 Volkswagen beetle? What local government is in charge of a city town and the area that surrounds it? What is total number of registered companies in Japan up to 2011? How do you figure a magic square? Who were Helen Keller's siblings and what were their lives like? What are the rules of Islam and Christianity? How do you use telekinesis on ps3 elder scrolls? How do you spell the plural of s? What type of sedimentary rocks forms when crystals grow out of solution? Should ecological analysis be separated from technical analysis of the project? Where do you get free commercial drivers license exam questions and answers? What the opposite of disarry? How many championships games have the Boston celtics played in? Did Phil anselmo and kate richardson break up? What is Justin Bieber's favorite charity? What is bigeminy?