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.
Division of work refers to the practice of dividing a job, task, assignment, or contract into smaller tasks. A division of work may also include a schedule or set of deadlines for the subtasks. Within large organizations, subtasks are often distributed to functional areas such as operations, finance, production, or marketing. They may also be assigned to individuals.