Privacy and corporate giants

 Are there other corporate entities that are of concern, but tend to go unnoticed?
 Are we too fearful of the likes of Facebook and Google?
 Is privacy as we know it dead or perhaps no longer a social norm (credits to McNealy
and Zuckerberg)?
 Is the public really that concerned over privacy?
 What might the future hold?
 What is the Canadian perspective?
 What is your personal perspective?