 Let us apply systematic doubt to social media. Can we trust what appears on our screens?   Every post, like sensory experience, could deceive us. The likes, the followers - all could be illusions created by algorithms or malicious demons of the digital realm.   Only one truth remains certain: I think about these posts, therefore I am.   From this foundation, we must rebuild our understanding of social truth through reason alone. What can we know with absolute certainty in this virtual space?  Let us question everything until we find unshakeable digital truths.  What aspects of social media do you find most worthy of philosophical doubt? 