The document discusses how Web 2.0 technologies like social networking, blogs, wikis, and communication tools can be used in science education. It provides examples of using specific Web 2.0 applications, including integrating photos from Picasa with Google Maps and Google Earth, viewing videos on YouTube, connecting with organizations on Facebook, creating blogs and podcasts, collaborating through wikis, and bookmarking and tagging content. The document encourages getting started with these Web 2.0 tools to promote sharing information online in new ways.