They have an indiegogo funding page where you can select your perks [1]. I am wondering why they needed $75k in the first place, if they were funded through Bil

They have an indiegogo funding page where you can select your perks [1]. I am wondering why they needed $75k in the first place, if they were funded through Bill & Melinda Gates Foundation, wouldn't they just chip in the final chunk to push this into production? [1] http://www.indiegogo.com/projects/kite-patch http://www.indiegogo.com/projects/kite-patch