1. The document discusses exploring the use of Web 2.0 applications like blogs, podcasts, and wikis in health informatics and professional development.
2. It notes that Web 2.0 emphasizes interaction, collaboration, customization, and openness through digital tools and services.
3. Key aspects of Web 2.0 websites are that they are designed to deliver interactive applications to users and encourage open communication, decentralization, and freedom to share and reuse content across the Web.