Federal laws (CDA, COPA) repeatedly ruled unconstitutional in late 90s; particular problems with “community standards”, 1 st amendment and proportionality
Pennsylvania law struck down in 2004 due to lack of proportionality (400 blocked sites caused over 1 million other sites to be blocked), easy circumvention and out-of-state effect; no evidence Act “has reduced child exploitation or abuse”.
2005 Utah law being challenged by coalition of businesses, ISPs and their customers on similar 1 st Amendment and Commerce clause grounds
"any written material, any image or any other representation of ideas or theories, which advocates, promotes or incites hatred, discrimination or violence, against any individual or group of individuals, based on race, colour, descent or national or ethnic origin, as well as religion if used as pretext for any of these factors."
“ material which denies, minimises, approves of or justifies crimes of genocide or crimes against humanity “
Microsoft has followed requests from Chinese government to remove blogs that contain politically controversial content
Indian and Iranian governments have simply blocked access to controversial blog sites (and the latter “a large number of sites with gay and lesbian content, some politically sensitive sites, women’s rights sites…”)