6. The method of claim 1 wherein identifying the category comprises identifying, without user input, a category based on characteristics of the first group of multiple categories and characteristics of the second group of multiple categories.
6. The method of claim 1 wherein identifying the category comprises identifying, without user input, a category based on characteristics of the first group of multiple categories and characteristics of the second group of multiple categories. 7. The method of claim 6 wherein identifying the category based on characteristics of the first group of multiple categories and characteristics of the second group of multiple categories comprises selecting a category that has been selected most often.