Flickr 的“黑名单”

Flickr 有严格的“社区指导方针”即community guidelines
http://www.flickr.com/guidelines.gne

方针中有这样一条：
“Upload photos that you've taken
Respect the copyright of others. This means don't steal photographs that other people have taken and pass them off as your own. And yes, Flickr is for photos. With some exceptions, it's OK to post other images, but if the majority of your photostream contains content other than photographs (like illustrations, screenshots, diagrams, etc.) it's very likely that your account will be marked Not in Public Site Areas (NIPSA). NIPSA means your photos won't show up in photo searches, but they will still be visible in your pages, your groups and contacts.”

意思就是鼓励用户上传自己的摄影作品。 最好不要上传截图，图表等其他“非摄影”作品。如果这些“非摄影”作品占到了你图片的多数，那么你就有可能被列入NIPSA（not in public site areas）这样一个“黑名单”。意味着你的图片将不会被他人搜索到。

如果你已经上传了很多“非摄影”作品，又不想被列入“黑名单”的话，可以采取以下方法。那就是“自我检举”即把自己认为不是摄影作品的图片标为”may offend" 这样的意思就是告诉flickr 我这张图片不是摄影作品，请不要被列入他人的搜索结果里。 而你其他的照片仍然可以被搜索得到。

详情参见以下条款：
http://www.flickr.com/help/photos/#145

原文：“The "may offend" link can also be used proactively. As a photo owner, if you are uploading something that you probably wouldn't show your mum, you can use the "may offend" yourself. This will make sure the photo you've flagged won't come up in public site areas (possibly being viewed by a fourteen year old, or a squeamish briton.) This is desirable behavior. :)”