The integration of sophisticated interfaces in modern devices has made it difficult to draw a line between personal and business usage. Nearly a decade back, it was fairly easy to differentiate between data/software/applications targeted or being used at an enterprise level and those at a personal scale.
The data that is being circulated around can be classified as business and non-business. Each has its own specific attributes with respect to sharing and security management. For instance, under no circumstance would you want enterprise data (account information, client detail, etc.) to be circulated freely.