M-Kart

Electronic commerce, commonly known as e-commerce, is a type of industry where buying and selling of product or service is conducted over electronic systems such as the Internet and other computer networks.

Groupon is the daily deal websites that serves many major international markets, offering one coupon per day in each these markets. You can’t go anywhere online these days without spotting a Groupon ad. It's theory as we all know - the social features of its deep-discount offers for local merchants — a certain size group had to sign up in order for the deal to be “on” has been the reason for the huge success.