In times of less turmoil, the central bank generally only deals with primary dealers, a group of 20 big banks and brokerage houses with which the New York Federal Reserve conducts its open-market operations, buying and selling government securities to guide the federal funds rate.

FORBES: Magazine Article

"It's snooping only if we don't tell them we're doing it, " said Scott Steinberg the author of the best-selling "Modern Parent's Guide" series.

CNN: The secret life of my sixth grader

Labour MP Paul Flynn has won plaudits for his book How To Be An MP, with the guide to parliamentary life selling well to students of politics.

BBC: Voting: it's not as easy as it looks

For now at least, Gemstar is mostly selling glorified banner ads that sit silently on the margin of the guide.

FORBES: Spray and Pray

Should that selling take the stock back to oversold levels, traders should let the ratings again be their guide as to when GOOG is again at levels where reversals and significant short term gains have been more common than not.

FORBES: Google Gets Going After Seven-Day Sell-Off