Discussion of Google’s Auto-Link function continues.  Of interest are:

Fred von Lohmann of EFF likening a service to a butler you ask to annotate your mail (emphaszing the ‘you ask’ and the ‘your mail’).

Washington Post article reporting that Barnes & Noble has added ISBN links to its own site in order to prevent Auto-link from whisking customers over to Amazon.

Wendy Seltzer identifying technologically similar services in the past.

SearchEngineWatch with the most exhaustive discussion of the technological/market issues I’ve come across.

Prof. Goldman discussing the ‘Google as Agent’ issue.