For the interested social researcher: I let xing.com check if people from my desktop address book are on xing, and if I am connected with them (a feature that linkedin had before them, I think). 623 contacts in my address book have email addresses and can be compared 105 (17%) of them are Xing members I am already connected with 52 (8%) of them Does this say anything scientifically? Hm.. ... Continue reading