15. A method for building a custom word list for use in text operations on an electronic device comprising: identifying words in one or more text items; determining a source of each of the one or more text items; and assigning a weighting to each identified word based in part on the source of the text item in which the word was identified by determining a time associated with the source of each of the identified words, wherein words having a more recent time receive an increased weighting.
15. A method for building a custom word list for use in text operations on an electronic device comprising: identifying words in one or more text items; determining a source of each of the one or more text items; and assigning a weighting to each identified word based in part on the source of the text item in which the word was identified by determining a time associated with the source of each of the identified words, wherein words having a more recent time receive an increased weighting. 20. The method of claim 15 , wherein some of the identified words comprise a number of words.