Though more Americans are catching TV shows on mobile devices like tablets in bedrooms, kitchens, even bathrooms, according to the Consumer Electronics Association, people still want a big set in a big space like the living room for watching movies, sports or special events together.

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But after a while, the slings and arrows of being in the minority add up - parking, office space, and then there's the issue of having a big enough room to meet in.

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The British Museum does not currently have space for a big travelling show (it had to seek special permission from English Heritage to use the old Reading Room for the recent exhibition from China).

ECONOMIST: Babylon