tag:blogger.com,1999:blog-12366865.post2703006296502218573..comments2024-01-16T14:13:50.160+01:00Comments on all mine!: On the value of contributing opinionsJos Poortvliethttp://www.blogger.com/profile/05243886270488333877noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-12366865.post-41730523244020415322011-06-15T18:31:37.012+02:002011-06-15T18:31:37.012+02:00Very valuable. I would say if we do not have somet...Very valuable. I would say if we do not have something useful to say from the contribution point of view it's better keep us off. But sometimes it's difficult to differentiate a genuine questions from timewasting one.Anonymousnoreply@blogger.com