There's no end to stories about how Google either does or is suspected to filter its results for China (with news, it does; with web search, China itself does). Nice to see it getting a break and Yahoo instead taking a slam for doing search filtering. That's covered at the end of this News.com article, When blogging can get you locked up, spotted via Dave Winer.
It's not a new discovery -- just one that generally is overlooked due to the usual "It's an all-Google-world obsession."
Neither search engine makes disclosure of filtering, when it happens. They ought to. Got To Censor Search Listings? Why Not Disclose?, China Blocks Google News -- So Bring On The Disclosure and Revisiting Google Censorship In Germany & France explain more about how and why they should do so.
Meet Your Favorite Search Engine Watch Contributors
Many of SEW's leading expert contributors will be at ClickZ Live, the new online and digital marketing event kicking off in New York (March 31-April 3). Hear from the likes of: Thom Craver, Josh Braaten, Lisa Barone, Simon Heseltine, Josh McCoy, Lisa Raehsler, Greg Jarboe, Dan Cristo, Joseph Kerschbaum, John Gagnon, Eric Enge and more!