In July 2009, having assessed all the email options available, Cordys selected Google Apps for Business and rolled out a pilot scheme amongst a select group. Three months later it migrated 600 employees from Microsoft Exchange to Google Apps for Business. The company decided on a phased approach to implementation, allowing staff to familiarize themselves with the new service for a month before switching off Microsoft Exchange completely. Read on to learn more about this transition and the many benefits Cordys saw as a result.