Start with the customer and work backwards. Those two things, passion and customer-centricity, will take you an awful long way. – Jeff Bezos
Lapka — Personal Environment Monitor - an app for your iOS device with sensors: radiation (measures radioactivity), organic (measures nitrate residues to confirm if the food is organic or not), EMF (measures electromagnetic fields caused by electronic hardware, power lines or telecommunication hardware e.g. cell phones, wireless access points etc.) and humidity (measures temperature and humidity).
We have now entered the “Don’t contaminate my personal space!” age.