Fluffy marketing bullshit. Sorry.
Privacy concerns are legitimate. Google Glass may not even be the problem. But the impact of the availability of ever more personal data in the hands of government and corporations for our society needs to be discussed. People have a legitimate right to know about their data trails.
PS: The #next conference "stole" their slogan¹ from the 26C3 Chaos Communication Congress²
1: http://nextberlin.eu/2013/04/behind-the-scenes-at-next13/