We have seen in it action for a long time, and recently we have seen its power when combined with the Internet and social media.

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We have seen over time that problems arise when investors fall in love with the deal and ignore any potential problems that surface along the due diligence trail.

FORBES: Gary Foster and How to Predict the Next Financial Scheme

Networks have seen that when viewer's favorite shows go off the air for an extended period of time--think the Walt Disney Co.

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Networks have seen that when viewer's favorite shows go off the air for an extended period of time--think the Walt Disney Co. (nyse: DIS - news - people )-owned ABC's Lost and CBS 's (nyse: CBS - news - people ) Jericho--it's hard to get those viewers back.

FORBES: Reality TV's Big Break

So although the merger of EADS and BAE collapsed because the German government was not prepared to let go of the enlarged business, the fact that Germany is not prepared to give EADS its commercial freedom is of relevance to the UK's manufacturing future - at a time when Britain would be seen to have far too few hi-tech manufacturing jobs.

BBC: How Germany killed the merger of BAE and EADS

Spanish company Pateria de Sousa, in Badajoz province, is seen as more ethical because it makes its foie gras by slaughtering the birds at a time when they have naturally eaten more to create reserves for what would have been migration.

BBC: NEWS | UK | Magazine | The Holy Grail of foie gras?