Why do billions of people still not have glasses?

It's thought 2.5 billion people could benefit from technology first developed in the 1200s.

from BBC News - World https://ift.tt/2QyNLMJ

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Former US President Bill Clinton admitted to hospital with fever

The 42nd president is at a Washington DC hospital, and is in "good spirits", according to a spokesman. from BBC News https://ift...