13. A computer program product residing on a computer readable medium, the computer program product comprising instructions for causing a processor to: display an electronic document having sequence of words in a user interface rendered on a display device; apply in response to a user-based selection of a first portion of words in the sequence of words, a first indicium to the user-selected first portion of words in the sequence of words; associate a first narration voice to the first portion of words in the sequence of words; and associate a second, different narration voice to a second portion of words in the sequence of words, the second portion of the words in the sequence of words being different from the first portion of words in the sequence of words.
13. A computer program product residing on a computer readable medium, the computer program product comprising instructions for causing a processor to: display an electronic document having sequence of words in a user interface rendered on a display device; apply in response to a user-based selection of a first portion of words in the sequence of words, a first indicium to the user-selected first portion of words in the sequence of words; associate a first narration voice to the first portion of words in the sequence of words; and associate a second, different narration voice to a second portion of words in the sequence of words, the second portion of the words in the sequence of words being different from the first portion of words in the sequence of words. 19. The computer program product of claim 13 , wherein the computer program product further comprises instructions for causing the processor to: modify one or both of the first and second narration voices by at least one of modifying a reading speed associated with the voice model, modifying a volume associated with the voice model, modifying the gender of the character associated with the voice model, modifying the age of the character and modifying a language of the voice model.