2. The method of claim 1 , wherein analyzing preferences of the user of the computer system to identify the set of customization rules comprises: generating, by the one or more computer processors, a profile associated with the user, based, at least in part, on the identified set of customization rules at a first time; and updating, by the one or more computer processors, the profile, based, at least in part, on an additional set of customization rules at a second time.
1. A method comprising: authenticating, by one or more computer processors, an identity of a user; retrieving, by the one or more computer processors, a user profile that corresponds to the identity of the user, wherein the user profile contains unique information relating to at least one of the user's age, user's interests, user's location, or user's preference information, and the user profile contains unique information relating to the user's comprehension abilities and information relating to a user engagement level; analyzing, by the one or more computer processors, preferences of a user of a computer system, within the user profile, to identify a set of customization rules; analyzing, by the one or more computer processors, one or more portions of textual content requested by the user to identify one or more textual elements for customization, wherein the textual content is a news article, and the textual elements for customization are non-technical, advanced-level words that are to be displayed in a predetermined language; monitoring, in real time, by the one or more computer processors, one or more interactions between the user and the textual content including mouth and eye movements of the user; analyzing, by the one or more computer processors, an engagement level of the user to identify a low engagement level, wherein the low engagement level is based, at least in part on the one or more interactions between the user, the textual content and a camera interface; and responsive to identifying the low engagement level of the user, customizing, simultaneously with the real time monitoring, by one or more computer processors, the one or more portions of the textual content based, at least in part, on the set of customization rules.