The announcement of a merger between Yahoo Japan and Korea-based Naver's Line chat app -- greeted enthusiastically by stock markets -- raises a high-stakes question: is a technology company largely based on users from a single country, in this case Japan, viable in the long run?
Opinion
Yahoo Japan-Line merger will not create domestic Alibaba or Amazon
Business which is centered on home country can never compete with tech giants
What does Line offer that will give it a lasting advantage compared to global giants? © Reuters
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