The L.E.D. Quandary: Why There’s No Such Thing as “Built to Last”

Building light bulbs to last poses a vexing problem: no one seems to have a sound business model for such a product.
Read more: http://www.newyorker.com/business/currency/the-l-e-d-quandary-why-theres-no-such-thing-as-built-to-last?source=Snapzu