Daily Crunch 7/31/19

Welcome to TechCrunch daily news, a round up of the top tech news of the day. Presented by Bose. Take calls, play music and enjoy your content with Bose Frames. The only sunglasses with tiny electronics that connect to your mobile device for a unique audio experience. Available in 2 timeless styles. Go to Bose.com to find out more. -- Facebook reveals its research into brain-controlled wearable devices (yes, really) -- iPhone sales dip -- and Samsung announces a new Galaxy Tab.
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