"It doesn't get stuck in your head and annoy you but it doesn't lull you to sleep and bore you either, " says Russell Jones, from Condiment Junkie.

BBC: The surprising uses for birdsong

French fries won't get stuck in your car seat, just in your pants.

NPR: Eight Steps to Reducing Pain at the Pump

But it would ultimately force the central bank to buy such securities as foreign bonds, corporate bonds and Japanese government bonds and possibly even land, to make sure that the money finally begins to circulate and doesn't get stuck in a banking sinkhole again.

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