This document discusses communication options for businesses in the age of mobile devices and online communication channels. It outlines different tiers of communication including individual, team, and company-wide options. Examples of applications for each type are provided, such as Office Bleepster for individual messaging, OneTeam for team collaboration, and Salesforce Chatter or Yammer for internal company social networks. The document argues that businesses should leverage employees' personal devices and these new communication tools to improve efficiency through more flexible communication options.