The key to improvement whether its for personal development or making better products is: get negative feedback.
It stands to reason that you can’t improve what you don’t know you are bad at. The same goes for when you are making product decisions. You need your users or customers to tell you what they DON’T like.
“Magic tricks work because humans have a hardwired process of attention and awareness that is hackable”. For those of you who have been watching Amazon’s Mr Robot we all know humans are the most easily fallible to a hack attack.