12. A method comprising: receiving, at a server device from a client device, an image including text; performing optical character recognition on the image to produce recognized text; determining one or more topics corresponding to the recognized text; selecting a word or a phrase from the recognized text for providing additional information; determining one or more potential meanings of the selected word or phrase; selecting a meaning of the one or more potential meanings using the one or more topics; selecting a source of additional information corresponding to the selected meaning; providing an indication to the client device that additional information is available for the selected word or phrase; receiving a request from the client device for the additional information corresponding to the selected word or phrase; and sending the additional information to the client device.
12. A method comprising: receiving, at a server device from a client device, an image including text; performing optical character recognition on the image to produce recognized text; determining one or more topics corresponding to the recognized text; selecting a word or a phrase from the recognized text for providing additional information; determining one or more potential meanings of the selected word or phrase; selecting a meaning of the one or more potential meanings using the one or more topics; selecting a source of additional information corresponding to the selected meaning; providing an indication to the client device that additional information is available for the selected word or phrase; receiving a request from the client device for the additional information corresponding to the selected word or phrase; and sending the additional information to the client device. 14. The method of claim 12 , wherein determining the one or more topics corresponding to the recognized text includes: identifying at least a portion of the recognized text in at least one of: a database, an online encyclopedia, an online dictionary, a web site, a blog, or a social media site.