Google's YouTube video sharing site has in a optional safety mode that filters out "potentially objectionable" content.
An example of this type of content might be a newsworthy video that contains graphic violence such as a political protest or war coverage, said Jamie Davidson, Google associate product manager in a blog post.
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The safety mode filter is designed to complement YouTube's community guidelines that cover pornography and other potentially offensive content.
"While no filter is 100% perfect, Safety Mode is another step in our ongoing desire to give you greater control over the content you see on the site," wrote Davidson.
YouTube users can set Safety Mode through a link near the bottom left-hand corner of YouTube pages once it has been rolled out to all users in all parts of the world.
Safety Mode can be enabled and then locked using a YouTube account password, although critics have pointed out that tech-savvy youngsters are likely to find ways around that.