A "commons" is the conventional term that describes a widely accessible and shared resource, such as an ocean, open rangeland, a public park, or public portions of the Internet, which is difficult to exclude or limit use once naturally provided or humanly produced. Ruin of a commons can result when individuals use the resource recklessly…

Web-based presentation tools are sometimes referred to as "next generation presentation tools" (EDUCAUSE, 2010). At the most basic level, these tools are simply online versions of traditional presentation software, such as Microsoft's PowerPoint or Apple's Keynote, but some services offer features like web-based collaboration, online presentation…