2. Twitter’s Profile Social Media Network 140 Characters text messages 3rd Largest Social Network No installation and No Charge 60 percent churn rate
3. Profitability It has generated losses and has unknown revenues. In February 2009 it was valued at $255 million In September 2009 it was valuedat $1 billion
4. Business Model There is no clear business model. Its main asset is its user’s attention and audience size ; data base of tweets that contains opinions and information about consumer products.