1. A method comprising: enabling a selectable user interface element for presentation to a user in association with electronic content, wherein the selectable user interface element is independent of a content provisioning system associated with the electronic content; detecting, using at least one processor, a selection by the user of the selectable user interface element, wherein the selection indicates that the user is interested in the electronic content; identifying, in response to the detected selection of the selectable user interface element, a plurality of topics utilized in a user profile associated with the user; presenting the plurality of topics to the user; and based on the user's selection of at least one topic of the plurality of topics identified from the user profile in response to the detected selection of the selectable user interface element, updating the user profile associated with the user to reflect the user's interest in the electronic content and to reflect a correspondence between the electronic content and the at least one topic of the plurality of topics identified from the user profile in response to the detected selection of the selectable user interface element.
7. The method of claim 1 , wherein the electronic content comprises a webpage, and wherein the selectable user interface element is positioned near a particular portion of the webpage.