1. A computer storage media storing computer-readable instructions that when executed cause a computing device to: receive a request from a web browser for an anchored annotation associated with particular content; retrieve anchored annotations associated with the particular content; provide the retrieved anchored annotations; and provide a visual indication about content change of anchoring text within the particular content when a match score is less than a threshold, wherein the visual indication comprises stored original text displayed with the anchored annotation.
2. The computer storage media of claim 1 , wherein the request comprises information associated with a user initiating the request.