Selling First To Yourself!
In an interview, Andy Jassy, CEO of Amazon AWS, responded to any interview question. Adam Lashinsky of Fortune explains thus:
Andy Jassy stressed that AWS sells to “every imaginable business vertical,” a key marketing point for the Amazon unit, given its roots of selling first to itself and then, for years, primarily to startups.
That "selling first to itself" is the core of the One Oasis Strategy where products are engineered to serve the internal customer and later that product can have a life of its own.
The One Oasis Strategy is the proposition that if the best product drives key investments in a firm, it has the capacity to help other products in the business. Other products would feed from the best product, and on overall, the company would flourish.