It turned out that the tool was was seeing headlines that said Cleveland was fed up with basketball star Lebron James talking about wanting to be traded.

FORBES: Facebook's Not Censoring Scoble, So Why Does This Matter?

That moves up the timetable of worry about how the Fed would subsequently be able to take the next step of selling off the bonds it already owns.

FORBES: Who Will Buy All Those Treasury Bonds When The Fed Stops?

"I think it brings up the QE3 question again, but one data point will not be enough to convince the Fed about the need for further easing, " said Priya Misra, head of U.S. rates strategy research at Bank of America Merrill Lynch in New York.

WSJ: As Street Idles, Jobs Report Revs Traders' Engines