Although the hypodermic needle theory was studied more in depth in the early half of the 20th century, the integration of social media platforms further tests the theory’s application. The invention of the internet and popularity of social media channels makes social interaction a two-way street. Through this, influencers, leaders, politicians, brands and individuals can communicate with one another. This social relationship has led to behavior changes in the digital age, some of which align with characteristics of the hypodermic needle theory.