SERVER APPARATUS, TERMINAL APPARATUS, USER'S DEGREE OF INTEREST CALCULATION METHOD, USER'S DEGREE OF INTEREST CALCULATION PROGRAM, TERMINAL PROGRAM, RECORDING MEDIUM HAVING PROGRAM RECORDED THEREIN, AND AN INFORMATION PROVIDING SYSTEM

A server apparatus according to the invention obtains, from a terminal apparatus, scroll operation information conducted on a display area of the terminal apparatus, and obtains content identification information for identifying the content displayed at the display area, and calculates the user's degree of interest in the content identified by the obtained content identification information.