GigaOm also points out that FireChat's a kickass app for big summer festivals like Burning Man, since cell reception is notoriously garbage and it's hard to find friends or locate stuff like water or beer tents when you can't use iMessage or Twitter.
Business Unit or BU refers to a division, facility or department of an organization. 1  Examples of business units include retail outlets and human resource department.
A business process is a collection of activities designed to produce a specific output for a particular. customer or market. It implies a strong emphasis on how the w ork is done within and organization, in contrast to a product's focus on what. A process is thus a specific ordering of work activities.