Of the underlying causes, unfortunate management decisions and bad design assumptions are compounded by human error.
The virus which causes unfortunate bouts of diarrhea, vomiting, and stomach pain is extremely contagious and can be spread by getting too close to someone who's infected, touching contaminated surfaces, as well as what STAT calls the "fecal-oral route".
Riyadh's lavish welcome for him apparently caused an unfortunate case of amnesia, but he got it right originally.
Technology may never be able to entwine your boxes, but it is likely to play a greater role in hailing your taxis, keeping your refrigerator stocked and various other tasks that at present cause the unfortunate lifting of fingers.
There could be other environmental factors, there could be co-infections that cause the unfortunate microcephaly, and at this point there is just not enough evidence to say it is causing it," said Kristin Bernard, a mosquito-borne virus researcher at the University of Wisconsin-Madison.
"These irresponsible actions of Russians may cause new unfortunate developments between Russia and Turkey," the Turkish statement said.
A policy has the power to guide and mold the direction of societal movements or cause an unfortunate setback.
(Taser's VP of Strategic Communications Steven Tuttle told VICE via email that "both the medical examiner and the courts have found that TASER did not cause the unfortunate death").
This racial bias, many civil rights activists believe, was the underlying cause of unfortunate circumstances in black history -- yet it prompted protests that marked some of the most historic moments of the civil rights movement.
When investigators came to work out what had caused the unfortunate event, the device was recovered from the wreckage and many questions were answered.
