12. A computer-implemented method comprising: identifying a textual indicator of secondary content in a string of text, the string of text including a first string prior to the textual indicator and a second string subsequent to the textual indicator, wherein the secondary content is at least one of data relating to formatting of the string of text or additional data associated with the string of text; and outputting first audio including an audio tone corresponding to the textual indicator that is preceded by first speech corresponding to the first string and followed by second speech corresponding to the second string, the audio tone based on a type of the secondary content.
12. A computer-implemented method comprising: identifying a textual indicator of secondary content in a string of text, the string of text including a first string prior to the textual indicator and a second string subsequent to the textual indicator, wherein the secondary content is at least one of data relating to formatting of the string of text or additional data associated with the string of text; and outputting first audio including an audio tone corresponding to the textual indicator that is preceded by first speech corresponding to the first string and followed by second speech corresponding to the second string, the audio tone based on a type of the secondary content. 19. The computer-implemented method of claim 12 , further comprising: outputting a haptic at substantially a same time of output of the audio tone.