More more more links

http://www.tcmagazine.com/comments.php?id=24555&catid=3

http://blogs.zdnet.com/BTL/?p=12691

http://www.digitaljournal.com/article/267002

Several links from here:

http://www.blogrunner.com/snapshot/D/5/5/new_in_labs_add_your_location_to_your_signature/

A very nice take on 20%  for everyone

http://jkontherun.com/2009/02/11/less-is-more-at-google-this-month/

A bit bitter here

http://www.techcrunch.com/2009/02/11/google-brings-location-awareness-to-email/

http://www.techdugout.com/gmail-labs-feature-add-current-location-signature-ip-detection-marco-bonechi/