interessante teorie :

http://michaeldotnet.blogspot.com/2006/12/is-2007-end-of-google-era.html
http://blogs.msdn.com/drnick/archive/2006/12/22/google-api-flap-who-cares.aspx
http://radar.oreilly.com/archives/2006/12/google_depreciates_SOAP_API.html
http://www.scripting.com/2006/12/20.html