Someone worked up the math. In a lot of the third world areas where gimmicky things "soccer balls that turn into led lamps and charge by being played with"... Or... books that filter water.. are attractive to charities.... The money which is used to buy gimmicky crap could be used to run electrical and water lines to the people who need them.



If you want to help people give don't give them crap, give them help.

By the way. This thing can say it filters out viruses and bacteria all it wants. Run off water isn't sterilized until it has been boiled or chemically shocked, and still isn't safe from other toxic elements (chemical pesticides, heavy metals, natural organic/inorganic poisons) until it has been run through a filter specifically rated to trap them. Nothing adds to an emergency situation like dysentery.