Ever ask yourself what Twitter really is? Twitter is a distributed link-sharing system – much like reddit or Digg are centralised link-sharing systems. Sure, sometimes people use those 140 characters to talk about something without linking to anything, but for the most part it’s links that keep Twitter alive. In this regard, I would go as far as to say that Twitter is somehow more similar to trackbacks (links) than to blogs (and content) themselves. Delicious, while we’re at it, is both distributed (my page) and centralised (the homepage). But neither of these two aspects was really used to share links, which might explain why Delicious slowly faded away as Twitter started to soar…
