貢獻一下自己常用的 Microsoft 的 MSN or spaces.live.com 的
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8. Your Materials.
You may be able to submit materials for use in connection with the service. Except for material that we license to you, we do not claim ownership of the materials you post or otherwise provide to us related to the service (called a "submission"). However, by posting or otherwise providing your submission, you are granting to the public free permission to:
* use, copy, distribute, display, publish and modify your submission, each in connection with the service;
* publish your name in connection with your submission; and
* grant these permissions to other persons.
This section only applies to legally permissible content and only to the extent that use and publishing of the legally permissible content does not breach the law. We will not pay you for your submission. We may refuse to publish, and may remove your submission from the service at any time. For every submission you make, you must have all rights necessary for you to grant the permissions in this section.
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以上文字摘錄自(http://help.live.com/help.aspx?project=tou&mkt=en-us)
大致上是說如果你 Post 到 MSN.com or Live.com 的東西,如果是沒有違法的,那你就授權你的作品供公眾無償使用、複製、散佈、展示、出版或修改你 Post 上去的東西的權利。
簡單的說就是放棄你 Post 上去的東西的權利

這可能是避免有人從網站上被盜圖,然後告 Microsoft 為幫助犯。
就像 eBay 因為一直被抓到販賣仿冒品,被廠商告是協助仿冒商犯罪。而判例往往認同廠商的觀點,認為平台提供廠商應該防止罪犯使用她們的平台作為犯罪工具。平台提供廠商不因沒有介入交易而免責。