Build is for developers and Inspire for partners, while Ignite, targeted at IT leaders, will now also draw in the business leaders that were supposed to be drawn to Envision. The first Envision was a disaster and the plans for the second had been for a smaller conference in February. Taken together, the moves represent a continuation of the drive toward big business—this stuff does not sound like a home for SMB business and Microsoft apparently has decided to leave users beneath the top business tiers to the outside conferences such as the Dynamics Summit user groups.