In Marketing
Some marketing experts recommend creating a marketing persona that represents a group of customers so that the company can focus its efforts.
Advertising businesses base some of their business models on internet personas. They monitor pictures, browsing history and the ads people surfing the internet generally select or choose to click, and based on that data they tailor their merchandise to a targeted audience. Free social network sites rely on advertising companies to maintain their internet presence. They collaborate to develop terms of agreement over sharing data such that both parties benefit from the information. Therefore internet personas run the risk of becoming a target for fraudulent actions.
Read more about this topic: Persona