If you transfer copyright at all, you typically only transfer it to the ACM, not Springer. Springer is just a contractor running a website and occasionally prin

If you transfer copyright at all, you typically only transfer it to the ACM, not Springer. Springer is just a contractor running a website and occasionally printing up phone books of papers that no one reads, and USB drives of PDFs people use for the week of the conference. See http://www.acm.org/publications/policies/copyright_policy http://www.acm.org/publications/policies/copyright_policy