I agree, plus Slideshare can be a massive boost to Powerpoint.
Connectifier - recruiting intelligence
Lynda - online learning
FlipTop - predictive marketing
RunHop - personalised content
Refresh.io - relationship content surfacing
These could be huge additions to Azure, Office 365, Bing, Cortana etc.
[1] http://microsoftvirtualacademy.com/ [2] https://channel9.msdn.com/
First time I heard that. Wanted to check it out. Redirects to LinkedIn now. Acquisitions killing off the acquired products is a trend I do not enjoy.