Theory of Change An Essay by Aaron Swartz www.aaronsw.com A theory of change is the opposite of a theory of action — it works backwards from the goal, in concrete steps, to figure out what you can do to achieve it. To develop a theory of change, you need to start at the end and repeatedly ask yourself, “Concretely, how does one achieve that?” changegoals
The User Interface of URLs A Research Paper web.archive.org URLs (Uniform Resource Locators) have rapidly become the standard method for specifying how to access information on the Internet. Although mostly used on the World Wide Web, URLs are also becoming more common for specifying locations for other distributed Internet services such as Gopher and anonymous FTP. Internet users see URLs both online and in print, and therefore URLs have visual interfaces. This paper gives an overview of many of the issues that concern the visual and user interfaces of URLs. Cool URIs don't change hypermediawwwinterfaces