what they think about me . . .

Internet, Information society, whatever they call it, it is changing (almost) everything.

I suppose that with these changes are becoming more and more important things like privacy, reputation. . . .

How people interact?

Andrei Hagiu, an assistant professor at Harvard Business School, and who works on a new field of business research that explores the dynamics of multi-sided markets. “as platforms that serve two or more distinct groups of customers who value each other's participation” One example EBay

About what customers think about your business there is a interesting paper at Accenture "Sentiment Monitoring Services"