The bottom line: for all the marketing hype, alliances aren't all things to all people—but everybody can get some benefit out of them.

底线是：对于所有的营销炒作，联盟并不是对所有人来说都是一切——但每个人都能从中受益。

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But these alliances will become real mergers only if the liberalisation of international aviation goes much further.

ECONOMIST: Flying in circles | The

But such alliances are part of the plan for Nest, whose game plan is to apply digital and Internet values to everyday tools that haven't changed for decades.

CNN: Nest's plan to stop brownouts before they start

If high speed rail can effectively feed into long haul air networks and take over short haul routes, it won't just connect the dots in Europe but build alliances with airlines as well.

CNN: Can Europe get its high-speed rail network together?