Google is censoring results to searches within China to keep the Chinese government (and the growing market out there) happy – http://noluv4google.com/article.php?list=type&type=92.
Yahoo have collaborated with the Chinese government to imprison political dissidents by handing over account details – http://www.rsf.org/article.php3?id_article=16402.
This stuff always stirs up strong emotions (the first comment below was posted after I’d put up the graphics but 2 hours before I added any text) but few people are that interested in people around the world going to jail. Showing your displeasure by changing your email address is just so inconvenient.
But what if Yahoo were to start charging for guaranteed delivery of email? How inconvenient would that be?
How displeased would you be?
How quickly would you change your email address then?