11. The computer program product of claim 9 , wherein the program instructions to monitor the user of the computer system comprise: program instructions to update the profile, based, at least in part, on the identified low engagement level; and program instructions to customize one or more portions of the requested textual content, based, at least in part, on the identified low engagement level.
9. The computer program product of claim 8 , wherein the program instructions to analyze preferences of the user of the computer system to identify the set of customization rules comprise: program instructions to generate a profile associated with the user, based, at least in part, on the identified set of customization rules at a first time; and program instructions to update the profile, based, at least in part, on an additional set of customization rules at a second time.