How many iconic, break-out products are ever "technological breakthroughs"? Behind virtually every iconic product is a string of lesser known antecedents with t

How many iconic, break-out products are ever "technological breakthroughs"? Behind virtually every iconic product is a string of lesser known antecedents with the same fundamentals but imperfect packaging, pricing, or timing. Reminds me of one of the themes in the book "Blue Ocean Strategy": the importance of value innovation, where the stress is on both low cost and differentiation.