Social bookmarking is an important phenomenon for all communicators using the Web to get their messages out.

No doubt, most readers of FKCBlog are at least passingly familiar with this phenomenon. (Psst. There's a link to add this post to del.icio.us at the bottom.) But exactly what is social bookmarking and how can it be useful?

To answer this, there's a nice post I just came across at the blog Read/WriteWeb:

The social bookmarking market is in a steady state with two dominant players - del.icio.us and StumbleUpon. The rest of the pack, including Yahoo MyWeb, appears to be substantially behind. Will they catch up? In this post we attempt to answer that question.