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Mobile Minutes: Twitter acquires Niche; Android Wear sales lag; Tumblr to overtake Instagram; Mobile-powering backpack

Android Wear gadgets not a big hit, with only 720,000 shipments in 2014
The first figures are in for devices running Google’s Android Wear operating system — and they’re lagging behind the wearable market’s less flashy and feature-packed gadgets by a wide margin.
Read more on CNET

Yahoo’s Marissa Mayer claims Tumblr is now fastest-growing social network over Instagram
Two weeks after announcing her plans to spin off Yahoo’s massive stake in Alibaba, CEO Marissa Mayer is championing another one of her company’s major acquisitions. Speaking at the Goldman Sachs Internet conference in San Francisco on Wednesday, the embattled head of Yahoo touted the growth of Tumblr, the blogging network that was purchased by the company back in 2013 for $990 million.
Read more on Forbes

Backpacks that pack power for mobile devices
With people juggling multiple digital devices that constantly need charging, backpack manufacturers have sensed a market opportunity. Some new backpacks are specifically designed not only to protect our smartphones, tablets, laptops, headphones and game players, but also to recharge them and track their whereabouts.
Read more on New York Times