16. A computer-based method of delivering contextual content with a computer system operably connected to one or more publishers via a data communications network, the method comprising: identifying, by a computer, one or more conventional hyperlinks in a document; and determining, by the computer, a context associated with each of the identified hyperlinks; selecting, by the computer for each of the identified hyperlinks, one of a plurality of bubble types based on a uniform resource locator extracted from the identified hyperlink; wherein each of the bubbles comprises a first display area and a second display area; and for each of the identified hyperlinks: a) selecting, by the computer, content for the first display area of the associated bubble type based on the uniform resource locator extracted from the identified hyperlink; and b) selecting, by the computer, content for the second display area of the bubble type based on the determined context of the identified hyperlink; and converting, by the computer, each of the identified hyperlinks to an enhanced hyperlink for invoking the associated bubble type and content.
16. A computer-based method of delivering contextual content with a computer system operably connected to one or more publishers via a data communications network, the method comprising: identifying, by a computer, one or more conventional hyperlinks in a document; and determining, by the computer, a context associated with each of the identified hyperlinks; selecting, by the computer for each of the identified hyperlinks, one of a plurality of bubble types based on a uniform resource locator extracted from the identified hyperlink; wherein each of the bubbles comprises a first display area and a second display area; and for each of the identified hyperlinks: a) selecting, by the computer, content for the first display area of the associated bubble type based on the uniform resource locator extracted from the identified hyperlink; and b) selecting, by the computer, content for the second display area of the bubble type based on the determined context of the identified hyperlink; and converting, by the computer, each of the identified hyperlinks to an enhanced hyperlink for invoking the associated bubble type and content. 17. The method of claim 16 , wherein the context associated with each of the identified hyperlinks is determined based on: the publisher web page, the target web page, a host of the publisher web page, a host of the target web page, a topic category, a language of the target web page, or a combination thereof.