When Microsoft bought Yammer for $1.2 billion, concerns arose that the enterprise social network might lose some of its innovative spirit. But today Yammer has pushed back on that idea with the announcement of several big updates, including a new "inbox" that prioritizes conversations, a real-time messaging interface, and integrations with Hootsuite and seven other services.
"People were wondering if we would keep up our pace of innovation after the Microsoft acquisition," Yammer cofounder and CTO…
