The document discusses web-based news aggregators and the Pageflakes aggregator in particular. It defines an aggregator as client software or a web application that collects content like news, blogs, podcasts and videos from various websites into a single location. It lists some common aggregators like Google Reader, Bloglines and Netvibes. It then provides instructions on how to sign up for and get started using the Pageflakes aggregator, including naming pages, changing layouts and themes, and adding RSS feeds.