The worst app I ever seen the ceo of the snapchat I think he dont have brain, the world must recoginze the communication systems run based on 0, 1 if there is no 0 the communcation must be loose, an indain sir aryabatta invent zero , based on zero all the communcation or programing done , indains are brave than you , we have epic, good tradtion and cultre.jai hind.