Google Inc. launched a Chinese search service, agreeing, after much internal debate, to censor its own search results in order to comply with Beijing's strict limits on access to information... Some U.S. tech companies are working behind the scenes to craft for the Internet in China an equivalent of the Sullivan Principles, guidelines formulated in the 1970s that helped mobilize U.S. corporate divestment to protest South African apartheid. [also refers to Microsoft, Yahoo]