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….
and, you 53 people, expect to get mass-mailed soon…