This document discusses the rise of Web 2.0 and web-based software applications. It notes that Web 2.0 allows individuals to create and share their own content online. Many common software programs like word processors and spreadsheets are now available as web-based applications that can be accessed from any internet-connected computer. These applications are made possible through technologies like Ajax that allow web pages to constantly update without reloading. The document argues that web-based applications provide many advantages for libraries and patrons, including improved access to files and software from any location as well as expanding the services libraries can offer for free.