15. The method of claim 14 , further comprising: determining whether the content associated with the one or more pages subsequent to the target page is also associated with at least one of the target page or one or more pages preceding the target page.
17. The method of claim 15 , further comprising: upon determining that the content associated with the one or more pages subsequent to the target page is not associated with at least one of the target page or one or more pages preceding the target page, generating the updated contextual advertisement.