Late one night this week, your columnist met a young global leader who, after a happy drinking session, had wound up outside the wrong hotel.

ECONOMIST: Global movers and shakers are worried about China

At one reception I met a charming Spanish woman who revealed within 10 minutes that she was a "Young Global Leader", had a PhD in microbiology, had started up her own biotech company in the US and was on the verge of a major public health breakthrough.

BBC: A guide to elite networking at Davos

When the iPhone was young, global mobile leader Nokia could do absolutely nothing to prevent its advance at the expense of the Nokia brand.

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