This chapter demonstrates the types of critical discussion on religion, showing that Saudis on Twitter have been critical of Islam in all its aspects, and that while critiques have stayed within the boundaries of orthodoxy Islam—albeit stretching that boundary—many others have crossed it into outright heresy. The chapter focuses on types of criticism that exhibit a tension between sensibilities shaped by modernity and traditional understandings of religion, demonstrating the effect of modernity on religion in Saudi Arabia. The chapter also briefly discusses the method of using Twitter hashtags as a source that exhibits various forms of discussions happening in Saudi Arabia, without claim about the extent of representation of the Saudi populace. The chapter also shows that criticism of religion has not been without antecedents, and that this public criticism can be seen as a new wave facilitated by the rise and ubiquity of social media, rather than as a novel phenomenon. In this chapter, most of the tweets here have been anonymized to protect the privacy of the tweeters but the hashtags from which those tweets were selected are available for further research.