Maybe not from a business/product standpoint, but the merger meant that OS X had NeXT roots that exist to this day, even with the ascension of Swift over Objective-C. I'd say the history of technology there is interesting, especially when you consider the troubled history getting to OS X:

http://www.roughlydrafted.com/RD/RDM.Tech.Q1.07/4B800F78-0F7... http://5by5.tv/hypercritical/14