20. A device comprising: one or more processors; one or more computer-readable media; and one or more modules maintained on the one or more computer-readable media and executed by the one or more processors to perform acts comprising: presenting, in a first area, a first amount of content of a first portion of a first version of a content item; determining, based at least in part on a location of the first portion, a location of a second portion of a second version of the content item, wherein the first portion of the first version is composed in a different language than the second portion of the second version; presenting, in a second area, a second amount of content of the second portion of the second version of the content item; determining a new first amount of content of the first portion of the first version of the content item to present within the first area; determining a new second amount of content of the second portion of the second version to present, the new second amount of content based at least in part on associating the new second amount of content of the second portion of the second version with the new first amount of content of the first portion of the first version; and modifying a size of the second area based at least in part on the new second amount of content of the second portion of the second version of the content item.
20. A device comprising: one or more processors; one or more computer-readable media; and one or more modules maintained on the one or more computer-readable media and executed by the one or more processors to perform acts comprising: presenting, in a first area, a first amount of content of a first portion of a first version of a content item; determining, based at least in part on a location of the first portion, a location of a second portion of a second version of the content item, wherein the first portion of the first version is composed in a different language than the second portion of the second version; presenting, in a second area, a second amount of content of the second portion of the second version of the content item; determining a new first amount of content of the first portion of the first version of the content item to present within the first area; determining a new second amount of content of the second portion of the second version to present, the new second amount of content based at least in part on associating the new second amount of content of the second portion of the second version with the new first amount of content of the first portion of the first version; and modifying a size of the second area based at least in part on the new second amount of content of the second portion of the second version of the content item. 26. The device as recited in claim 20 , wherein: the first version is in a text format; and the second version is in an audio format.