Final answer:
Eric is using digital media to provide updates on state law changes, which is best categorized as news/informational in nature.
Step-by-step explanation:
Eric, as a reporter who uses an online forum to provide updates on changes in state laws, is primarily utilizing digital media for news and informational purposes. This aligns with the broader trend in media consumption where individuals are both consumers and producers of content, especially in the realm of political processes and governance. Given the context, the purpose of Eric's use of digital media aligns best with the news/informational category.