Microsoft's mission at Build: Prove progress on promises to developers

When Microsoft kicks off its annual developers conference Wednesday, it must show it has made progress on 2015's promises, analysts said today.
"They have to demonstrate that they're building momentum from both user and developer perspectives," said Jan Dawson, chief analyst at Jackdaw Research, referring to Windows 10 and pledges the company made last year.
At 2015's Build -- Microsoft's moniker for its developers conference -- the Redmond, Wash. company set itself a goal of putting Windows 10