You still would need fewer IDs than one per website/blog, and you get increased security, so it's a win/win IMHO. How many different anonymous personae do you require? It allows you to build a reputation in one area with one ID while maintaining obscurity with others, if you prefer.
In principle, having different, random user names and passwords at every domain is a relatively solid way to go, but the problem is, only a vanishingly small minority of internet users follow that practice.
I'm not sure what you mean by metadata "shackles." I thought xml and similar frameworks were forgiving enough, and can enhance searchability in a variety of ways. If full text was good enough for every application, we wouldn't need Google.
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You still would need fewer IDs than one per website/blog, and you get increased security, so it's a win/win IMHO. How many different anonymous personae do you require? It allows you to build a reputation in one area with one ID while maintaining obscurity with others, if you prefer. In principle, having different, random user names and passwords at every domain is a relatively solid way to go, but the problem is, only a vanishingly small minority of internet users follow that practice.
I'm not sure what you mean by metadata "shackles." I thought xml and similar frameworks were forgiving enough, and can enhance searchability in a variety of ways. If full text was good enough for every application, we wouldn't need Google.