8.1K views · 108 reactions | Researchers at the University of Washington have invented a prototype phone that makes calls using energy from ambient radio waves and sunlight instead of a battery. | CNN Business | Facebook

6.5K views · 145 reactions | After years of releasing smartphones with four-figure price tags, Apple is reintroducing a lower-cost, stripped down model. https://cnn.it/3aaHfC0 | CNN Business | Facebook

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