我们学校的一个课程打算用 Jazzhub 来做团队协作,但他的协议是这样的。是不是这个协议有些不妥?上传后的文件产权归 IBM 所有。。
"By sending IBM or this Web site (including but not limited to by uploading, submitting or otherwise making available or contributing to IBM or this Web site) any information or material, you grant (or warrant that the owner of such rights has expressly granted) IBM an unrestricted, worldwide, non-exclusive, irrevocable, perpetual, royalty-free, fully paid up, license to use, make, have made, reproduce, display, perform, publish, upload, post, modify, create derivative works from, transmit, distribute, sell, offer for sale and sublicense or otherwise transfer those materials or information or their modifications, and to authorize third parties to do any, some or all of the foregoing including, but not limited to, sublicensing others to do any some or all of the foregoing indefinitely. You represent and warrant that to your knowledge, you have sufficient rights in those materials or information to grant these rights and licenses. You also agree that IBM and its sub-licensees as described above are free to use any ideas, concepts, know-how or techniques that you send us for any purpose."