Harvard Business Review blogger Alexandra Samuel wrote a blog post titled: The Three Ps of Online Indulgence: Principled, Private and Planned. Julian Zelizer: Each of us must still answer the age-old question: Who am I really? He says the challenge is the 21st century manifestation of the internal battle dating back to the beginning of time. Zelizer asks: Can we really control online vices in this way? Can we compartmentalize each of us into two (or more) distinct identities?”]