Tagging: People-powered Metadata for the Social Web

Appendix A. Case Study: Social Bookmarking

<feature><title>What You’ll Learn in This Case Study</title> <objective>

A brief history of Del.icio.us, the first social bookmarking application

</objective> <objective>

An introduction to how social bookmarking works

</objective> <objective>

How Dogear, an enterprise social bookmarking application, got started

</objective> </feature>

Tagging as we know it now began with Del.icio.us.

Del.icio.us is a social bookmarking service launched in 2003 by programmer Joshua Schachter. It was the first—and, in some ways, is still the best—example of social tagging.

Del.icio.us also launched a number of trends that would later come to be foundations of Web 2.0—like tagging, easy access to its data and services, and extending ...