1.Smart phone A smartphone has brought a great change in our daily life In 2007, Apple Inc. introduced the iPhone , one of the first smart phones to use a multi-touch interface,from then people have become addicted to smart phones. The top smartphone operating systems are 1.Android 2.Apple 3.Microsoft 4.Blackberry 2.Social media Social media is computer-mediated tool that allow people to create, share or exchange information, ideas, and pictures/videos in virtual communities and networks . Facebook, whatsapp,twitter are become a part of our daily life. 3.Online shopping Online shopping is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser. The largest of these online retailing corporations are Alibaba , Amazon.com , and eBay . 4.Digital wallet A digital wallet refers to an electronic device that allows an individual to make electronic commerce transactions. This can include purchasi...