The platform in this case is the payment network. Software developers will add new capabilities to cards by programming the payment network to link online applications to specific payment events. Consumers will be able to effectively 'drag and drop' apps to their smart cards in the same way that they add apps to their smart phones today.We're big believers at Greylock in the future of 'online to offline' commerce, and we're seeing a ton of innovation in this space. One of our portfolio companies, CardSpring , announced a major partnership with First Data earlier this week. We've invested in several other 'online to offline' commerce companies including Coupons.com , Groupon , Shopkick , Swipely , TrialPay and Wrapp . And there are many other companies innovating in the space, including startups like Square, and established companies like Google , American Express and Visa .For all of the attention focused on online commerce, the market opportunity for 'online to offline' commerce is way bigger. more... See more text