Non-visible microformats was [uf-discuss] Principles of Microformats?

[Mike Schinkel]

Angus McIntyre wrote:
> Google just doesn't - as far as I know - use either the 
> keywords or the description in order to decide how to index 
> the page, because of the problem of keyword stuffing.

Some invisible metadata can be potentially abused by spammers, but not all.
It depends on the nature of the metadata.

-- 
-Mike Schinkel
http://www.mikeschinkel.com/blogs/
http://www.welldesignedurls.org/