Yes, after selling land, water, etc its time for air to be sold in market. We can call it as a new edition of nature in market. Many countires like NewZealand, Canada etc have taken this idea seriously & implemented it in short time. Many countries have gained huge profits by selling fresh air bottled to countries where air pollution is at its best. Purenewzealandair is one of them who is selling thousand of bottle through e-media in a day.