secretly

http://finance.yahoo.com/blogs/daily-ticker/facebook-bankers-secretly-cut-facebook-revenue-estimates-middle-133648905.html

Hello All The only Mercedes cars that I've ever owned have all been w126 models so it doesn't take much to work out that I'm madly in love with them. However I must confess that I would love to also own a Porsche Panamera, what non-MB cars would you secretly like to have in your garage...

Totally off topic, apart from the fact that it relates to some programmes that feature cars. What is the law with regards to secretly recording conversations? I see numerous examples on comsumer programmes which seek to unearth unscrupulous traders, where a journalist equipped with a hidden...