We analyzed the word usage patterns and themes of bloggers with and without autism to better understand how persons with autism employ language in a naturalistic setting. Following Newton et al. (2009), we used the LIWC program. We also rated each blogger's passages for Flesch Reading Ease. Flesch reading ease is a combined measure of the average number of words per sentence and the average number of syllables per word (Flesch, 1948), and thus allows the writing complexity of text to be quantified.