Web 2.0 refers to the second generation of web applications and services that are characterised by interactivity, collaboration and user participation. In contrast to the static and one-sided content of Web 1.0, Web 2.0 allows users to actively create, share and comment on content and interact with other users.

Web 2.0 is important for neuroweb design as it has changed the design of websites and user interfaces. Through interactivity and user participation, designers must maintain user attention and engagement to ensure a positive user experience. This requires careful design of user interfaces and content that meet users' needs and expectations and encourage them to actively participate. In addition, Web 2.0 technologies enable the integration of social media platforms that can further encourage user participation and interaction.