Is bookmarking behind the Web 2.0 curve?

In a recent article at CNet, Gordon Haff ponders the subject of community book marking. He points out that there have really been no additions to this field since the start of the Enterprise 2.0 revolution. Yes, we have del.icio.us, but even that hasn’t changed format or updated recently. The parent company of del.icio.us is Yahoo!.

There is also no real social connection between people on the site. Yes, you can look at your friends’ bookmarked sites, but who takes much time to go through their websites? Another archaic feature to this is after things are bookmarked, you can’t rearrange them. Unless you bookmark a second time your page will forever be marked with the date you originally bookmarked it on. There is also the fact that one can only describe the webpage in so many words.

So where does that leave this application? It’s old fashioned and has failed to keep up with the Web 2.0 movement. Perhaps Microsoft, if it acquires Yahoo!, will remake del.icio.us into a more sophisticated business tool.
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Enterprise 2.0: Is there any more room for growth?

I found a very interesting post this morning at the Social Glass blog. Jeremy Thomas posed this question: Is Enterprise 2.0 stagnating?

He goes on to state that although certain theories have been brought about by Andrew McAfee and Dion Henchcliffe, they basically represent the same points. They are:

1) Links
2) Social Bookmarking
3) Search
4) Authorship
5) Signals/Syndication
6) Social Networking
7) Folksonomies

He is quick to point out that this is from the perspective of technology. What do you think? Are there any more changes that can be brought about in Enterprise 2.0? Or do you think that these online collaborative tools are the complete set for everyone to begin using?