Twitter.com also known as the SMS of the internet world, micro blogging site, it’s a social networking site which allows users to tweet a short message up to 140 character, Registered users can read and post tweets and guest users can only read them. Twitter Inc. is based in San Francisco and has more than 25 offices around the world, as of March 2015 its ranked 8th in alexa.com, and twitter has more than 500 million registered users. So the open market sites like eBay, Amazon, etsy, flipkart and many more tweet actively about their products and services in twitter. Tweets are very attractive and unique like the MacBook that fits in a palm http://t.co/KnCgPl32Zn, aquatic handmade dolls http://t.co/5rfShvnIFq, and many more. Open market sites are usually tweeting offers, discounts and popular trending products with good quality images. Open market sites get touch (Branding) with their followers frequently and reply about the features of the products without fail, update with beautiful images, which are very attractive targeting potential customers. Almost all the online open market sites have twitter accounts for branding purposes. The screenshot below is taken from alexa’s for sites which are linked more to twitter. This indicate how open market sites uses twitter as a main marketing strategy. Twitter is more used in mobile then desktop because as we know that its micro blogging app/site, and potential mobile buyers are growing day by day. List of some open marking and other shopping sites link.