This note is an informal report about the Shadow Program Committee experiment that I organized for Sigcomm 2005. It (i) discusses the motivation for a Shadow Program Committee (PC), (ii) presents the expected benefit to the community, (iii) explains the process by which it was organized, (iv) gives some statistics on the program that the Shadow PC selected, how much, and why it differed from the real PC's program, and (v) discusses some of the insights from the Shadow PC process. Categories and Subject Descriptors A.m [General Literature]: Miscellaneous General Terms Experimentation, Management, Documentation Keywords Shadow Program Committee, Experience report