"When asteroids come this close, it's very important to try to learn about them - it's become so bright, so it's so easy to study, " he told BBC News.

BBC: Asteroid 2012 DA14 in record-breaking Earth pass

They are always looking for opportunities that allow them to develop closer opt-in relationships with individual customers, to learn about their behavior, to incent them to remain loyal to brands and to try new products.

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We should learn how to use the gifts of nature and maintain ecological balance of nature before we try to tap them.

BBC: Is space exploration a waste of money?