2. The method of claim 1 , wherein determining keyword feature information for a message includes feature information selected from the group consisting of: vowel/consonant ratio, capitalization, number of emoticons, punctuation, usage of texting slang, and keyword frequency.
2. The method of claim 1 , wherein determining keyword feature information for a message includes feature information selected from the group consisting of: vowel/consonant ratio, capitalization, number of emoticons, punctuation, usage of texting slang, and keyword frequency. 8. The method of claim 2 , wherein determining usage of texting slang keyword feature information for a message further comprises: breaking the message into slang tokens using the classifier; and counting the number of slang tokens using the classifier.