Science and technology

Associated Press
A man uses his smartphone in front of advertisements for Samsung Electronics' Galaxy Note Edge at a subway station in Seoul, South Korea, Thursday, Jan. 29, 2015. Samsung Electronics Co. said Thursday its quarterly earnings dropped to a smaller-than-expected 27 percent in the fourth quarter but its forecast-beating profit could not mask that it was losing the battle of the big phones with Apple Inc. (AP Photo/Ahn Young-joon)

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