Twitter (NYSE:TWTR) today announced that it would be adding a Buy Now button to Twitter, specifically on mobile. This is yet another move by Twitter to increase their profitability through finding more revenue making opportunities, this follows its partnering with Amazon to tag purchases on Twitter back in May for adding to an Amazon cart. If anything, this Buy Now button is an evolution of that idea, making Twitter the direct point of sale instead of trying to send you somewhere else to buy the item. Twitter has hundreds of millions of users and if it makes this work right, it may actually have figured out eCommerce through social media