The lessons I learned is that Open source quickly becomes the natural choice wherever commoditization is happening in the software stack. Thus we expect business-to-business open source, which is already a significant trend in recent history, to become an increasingly common form of open source collaboration. Companies who understand the ground rules of business-to-business open source will be better positioned to identify and take advantage of open source opportunities in the competitive spaces that they share with other companies. So I will share why open strategy is import for the enterprise. And how to do contributions for the open source projects n today’s topic.