Final answer:
Web 2.0 websites enable user interaction and content modification, making the claim true and illustrating a shift from passive content consumption to active participation and user-generated content.
Step-by-step explanation:
True a Web 2.0 website does allow users to modify website content. Web 2.0 is characterized by the interaction and collaboration among users. It brought about a participatory culture on the web enabling activities such as sharing through social media platforms posting videos on sites like and participating in various forms of e commerce. The user's role evolved from passive content consumers to active content creators and participants.