18. The system as recited in claim 16 , wherein the preference entry page further comprises a preference entry block entry region into which a numerical value can be entered to indicate a degree of like or dislike for a program attribute value associated with the preference entry block.
18. The system as recited in claim 16 , wherein the preference entry page further comprises a preference entry block entry region into which a numerical value can be entered to indicate a degree of like or dislike for a program attribute value associated with the preference entry block. 20. The system as recited in claim 18 , wherein the numerical value is a numerical value in a range from a first non-negative integer to a second non-negative integer.