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Mobile Minutes: Apple rehires Evan Doll; Microsoft buys Beam; Facebook humanizes algorithm; Under Armour?s new CMO

Apple Inc. has hired Flipboard co-Founder Evan Doll to help the world?s largest publicly trading technology company develop more health-related software, according to Doll?s LinkedIn profile. 

Microsoft announced it will acquire Beam, a live streaming service where users can watch video game streamers and even participate with them in real time.

Facebook Inc. is changing its news feed algorithm again. This time, it is guessing what posts will be ?most informative? based on polling of people around the world.

While athlete partner Michael Phelps wins gold in Rio this week and a commercial featuring the swimming phenom wins accolades, Under Armour is making some additional news.