Last year, Manish Tiwary, VP, category management at Amazon India,
conceded that 70% of Amazon's new customers came from Tier II and tier III cities.
This effect was most pronounced in babies whose mothers reported using cell phones a lot at home, suggesting that using cell phones during play might make it harder for children to re-engage with their parents later on(Myruski, Gulyayeva, Birk, Pérez- Edgar, Buss,
& Dennis- Tiwary, 2017).