Includes the posts below, plus a much longer list: stoweboyd.com/tagged/publicy
Here’s a decent subset:
NY Times piece on the term ‘publicy’: Publicy - Schott’s Vocab
My definition: The Definition Of Publicy
One of the original longer posts: Secrecy, Privacy, Publicy
Notes for a talk I have given a number of times: Publicy and The Erosion Of Privacy
Pew highlights my definition: Pew Wonders: Will Gen Y/Millennials Grow Out Of Sharing?
A few others: