What is a business, revenue, and advertising model?

I'm working on a business model for what I think is an innovative piggyback idea for the growing number of social deal sites.  What I'm trying to determine is whether it would be worth developing based on the ad revenue for an estimated number of users...

Chris Anderson, editor of Wired magazine, wrote that Practice Fusion's main business is in fact selling patient data. See his 2009 book called "Free, the Future of a Radical Price", page 104. The graph about Practice Fusion shows that licensing...

Considering both have a fluid design, to prevent any points relating to - compatibility with smaller screens or smartphones - from being raised. I wish to understand this from both a user as well as a business point of view. I understand that a larger...

I enjoy using Quora. It's a far cry from the "I'm now walking the dog and feeling blue" status updates I get on Facebook and "ur on 49" tweet hieroglyphics. I would be happy to pay say an annual subscription fee (within reasonable...

Does anyone know what the business model of Orbitz is? I just read the financial report released by the company (below) but a little bit confused about how they gain profit by just selling airline ticket? Does it charge commission to the airlines, is...

I know there are CPCs and CPMs, etc, but what model can I use to predict growth/views with revenue so that I can understand what I need to do in order to make X amount of revenue from advertising?

Native advertising is obviously a much talked about term right now. Whatever you call it, it has it's ardent supports and stubborn detractors. Does anyone know how the underlying economics are functioning for companies that are building their business...