Interestingly, Microsoft announced [1] yesterday that they're turning on Yammer by default to all Office365 customers for free. [1] http://venturebeat.com/2016

Interestingly, Microsoft announced [1] yesterday that they're turning on Yammer by default to all Office365 customers for free. [1] http://venturebeat.com/2016/02/02/microsoft-is-enabling-yammer-by-default-for-all-eligible-office-365-commercial-customers/ http://venturebeat.com/2016/02/02/microsoft-is-enabling-yamm...