An interesting development in the ecommerce world. After testing a Buy button on its platform for nearly a year, Twitter is aiming to become the “world’s biggest social marketplace” by permitting Best Buy Co., adidas AG and Pacific Sunwear of California and other US retailers to sell through it’s “Buy Now” button. This opens up tremendous opportunities for retailers to easily sell through Twitter’s platform especially smart phone users as now there would be no need for shoppers to click on retailer’s site. Twitter has been making steady moves to become a significant player in the ecommerce business. For instance, it allowed it customers to browse and shop for goods without exiting the Twitter. Similarly, othersocial networks like Pinterest and Facebook are also showing keen interest in adding e-commerce facilities on their platforms like the “Buy it” buttons. Competition is heating up to make social networks into effective marketing platforms. Find out how you can take advantage of this marketing opportunity and include selling through social network part of yourmarketing strategy.