Convergence was the term we used to describe the final phase of making an Apple product, after the features had been locked down and the programming and design teams spent the last three or four months fixing bugs and polishing details. Entering a convergence period was the moment we had a clear picture in our minds about how we wanted our finished software to work. It also meant that the hardest part was over—we had been largely successful in navigating the course from idea to product.
