Demos does concede that the clear lesson from companies' attempts at rebranding is that they tend to work only when the branding reflects underlying reality.

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But not only did Sorkin play with the facts far too much for a movie that purported to be about a real company and real people, to my mind he got the underlying reality of Silicon Valley utterly wrong.

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At some point, there has to be a reckoning of these expectations with underlying economic reality.

FORBES: Unrealistic expectations

Surely in an efficient market investors would look past the accounts to the underlying economic reality, argues Mr Grundfest, so that the effect on the share price would be negligible.

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There was a harmonious reality underlying the laws of the universe, Einstein felt, and the goal of science was to discover it.

NPR: Einstein: Relatively Speaking, a Complicated Life

In reality the underlying solution is often so much simpler.

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The reality, underlined in this report, is that George Osborne has faced a big deterioration in the underlying state of the public finances since 2010, which he has decided to do almost nothing about this side of a general election.

BBC: Fiscal choices from IFS