User Activity

I have had a buyer make a purchase and their feedback says username(private). What would be some reasons for doing this? My first instinct is to jump to the conclusion that they have left significant negative feedback for others or that they are pote...
I noticed on a few sellers' listings that there is small badge/logo that says "member ID is verified". It's a small white circle with a red check mark and black dot. How do you get this and what is it all about? thanks,Dave
I have a FaceBook page for my eBay Store. Is there a way to link my listings or store pages back to Facebook? (i.e. a "Like us on Facebook button", etc).
Helpful from
Helpful given to