9. An apparatus comprising: a server, including at least one processor, to: receive a request from a user device in response to embedded instructions in a document, wherein the request is generated in response to user input associated with an indicated phrase of interest that is displayed with visual properties distinguishing the phrase of interest from the remaining text of a displayed document, the phrase of interest determined based on a reference and logged information specific to the user, the reference including a plurality of phrases and associations between the plurality of phrases, and the request includes the phrase of interest, retrieve search results associated with the phrase of interest from a plurality of data sources, wherein the searches were performed before the request is received, and transmit a response to the user device with the search results, wherein the response enables the user device to display at least a portion of the search results concurrently with the display of the document, wherein the at least a portion of the search results and the phrase of interest are viewable simultaneously.
9. An apparatus comprising: a server, including at least one processor, to: receive a request from a user device in response to embedded instructions in a document, wherein the request is generated in response to user input associated with an indicated phrase of interest that is displayed with visual properties distinguishing the phrase of interest from the remaining text of a displayed document, the phrase of interest determined based on a reference and logged information specific to the user, the reference including a plurality of phrases and associations between the plurality of phrases, and the request includes the phrase of interest, retrieve search results associated with the phrase of interest from a plurality of data sources, wherein the searches were performed before the request is received, and transmit a response to the user device with the search results, wherein the response enables the user device to display at least a portion of the search results concurrently with the display of the document, wherein the at least a portion of the search results and the phrase of interest are viewable simultaneously. 10. The apparatus of claim 9 , wherein the request further includes an optimal phrase associated with the phrase of interest and the optimal phrase is used as a search term to retrieve the search results.