Microsoft's Samsung surprise

We're back! It's the return of our weekly news roundup, with Todd Bishop, John Cook and Monica Nickelsburg. First, Microsoft CEO Satya Nadella's surprise appearance at Samsung's latest Galaxy smartphone unveiling signals good things ahead for Windows users. We go inside the shutdown of ReachNow, BMW's car-sharing service that operated in Portland and Seattle, and discuss the unusual ways that some people in our society are using car-sharing services. And finally, on the Random Channel, we offer our latest documentary recommendations, catch up with Amazon's Treasure Truck, and savor some bread made from 4,500-year-old yeast.

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