[mark_l_watson]

Sorry to be a little off topic but I think search engines should penalize material that is not clearly marked with date of creation.

[macintux]

I've seen academic papers with no date and it drives me crazy. I'm sure there's some reason for it related to the publication process but can be hard to vet a paper without knowing more about the context in which it was written.

[Animats]

The cool kids only give a month and year, because what they have to say will be gone or irrelevant in a year.