1. A method of presenting information to a user, the method comprising: presenting, within an electronic book reader application on an electronic device, a representation of an electronic book on a display of the electronic device; obtaining sensor data from a sensor associated with the electronic device; determining, based on the sensor data, that the electronic device is oriented in a first orientation; presenting a first page of content of the electronic book in response to determining that the electronic device is oriented in the first orientation, wherein the first page of content of the electronic book is presented with a first page number; detecting a change in orientation of the electronic device from the first orientation to a second orientation, wherein detecting the change in the orientation includes detecting a switch from a portrait orientation to a landscape orientation that displays two pages; identifying, based on the first page of content, a second page and a third page of content of the electronic book that will be displayed in the second orientation, wherein identifying the second and third pages of content includes identifying, based on the first page of content and font size settings, additional content to supplement the first page of content, wherein identifying the additional content comprises: accessing a user setting that specifies a font size, determining, based on accessing the user setting, whether to preserve a font size used for presenting the first page of content, and identifying, based on the first page of content and in response to determining to preserve the font size, the second and third pages of content that will be displayed in the second orientation, wherein the second and third pages of content include the first page of content and the additional content; and in response to identifying the second and third pages of content: updating a total number of pages corresponding to the electronic book, determining second and third page numbers for the second and third pages of content respectively, and displaying, in the second orientation, the second and third pages of content side by side on the display with the second and third page numbers.