Belgium company invents crying invoice
Recent research found that Australian companies wait 51.8 days on average to get paid, and this is not atypical the world over. Frustrated with the time it takes to get paid a Belgium company invented the 'crying invoice'. A chip included with a posted invoice makes weeping sounds 20 seconds after being exposed to light.
More here -http://anthillonline.com/how-to-always-get-paid-belgium-company-invents-crying-invoice-and-becomes-remarkable/