Schools and libraries across the USA plan to celebrate Banned Sites Day to draw attention to the issue of websites threat to kids' education and intellectual freedom

Book banning has long been a controversial issue in the nation's schools. Now some educators say banned websites pose as great a threat to kids' education and intellectual freedom.

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Most recently:

•New York City's Department of Education blocked Google Images last month for what it called "objectionable content" but later left it up to schools whether to allow it.

•The Pinellas County (Fla.) School Board in June voted unanimously to block teachers from communicating with students via Facebook or Twitter, even about school-related matters. The school board said it hopes to prevent the appearance of inappropriate contact between students and teachers via social media.

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