What are the top performing Social Bookmarking Sites?

[Whitey]

What are the top performing social bookmarking sites and market share?

Would it be something like this

1.Del.icio.us 30%
2.Digg 20%
3.Technorati 10%
4.Others?

[MThiessen]

I would think myspace and youtube would rank up there.

[fischermx]

You are forgetting Furl.
It is the best software, though, not the most popular.

[fischermx]

Oh, wait a minute! If you have Digg and Technorati as social bookmarking, the Delicious does not belong to that list.

Personal Bookmarking (with some sharing) is:
Delicious
Furl
Stumble Upon

Social bookmarking is:
Digg
Reddit

Technorati is a blog aggregator.