How does Zigtag differ from other social bookmarking websites?
The primary difference between Zigtag and other social bookmarking websites is that our tags have defined meanings. This makes the system very intelligent in a number of ways. First, it solves the tag selection problem, which arises when there are multiple ways to express the same idea. Suppose you want to tag a page about New York City–what word(s) should you use? A number of options are available, such as “New York”, “New York City”, “NYC” or even “The Big Apple”. Different people will choose different tags, and even the same person may choose different tags at a different time. In a traditional social bookmarking tool, all these tags would be unrelated and there would be no simple way to group their pages together, even though they’re all describing the exact same thing. The Zigtag system understands that all these tags are describing the same idea, so it doesn’t matter which you choose–they are completely equivalent. You can tag a page with NYC, defined as “the city”, and retrieve
