The essay implies that how the smartphone will become the single most important digital device in the future, how smartphone can will be ideal for the user in the modern world. It also implies that the negative and positive implication of Smartphone being the one most important device we own in the future. Lastly this article also show that the role of E-commerce and Blogging platforms 2. 0 in the popularity of eBay and Amazon. (1 )INTRODUCTION In the present time the Smartphone will become the solo digital device for human to execute their extra standard activity, because the Smartphone offer to the customer more advance processing ability excellent connectivity of internet somewhat than normal telephone. In the modern world people want digital device in their individual hand to execute their duties easily efficiently.