James Allworth, Harvard Business School Forum for Growth and Innovation fellow and co-author of How Will You Measure Your Life joins Horace for an in-depth discussion of the vulnerability of Apple to low-end disruption. Specifically, assuming the iPhone reaches a point of over-service, did Apple arm its suppliers with the means to create its replacement? We dip into case studies of Dell, HP, HTC and Microsoft and touch on how iPod escaped this fate.