In Defence of Books

Lucy Siegle teaches us nothing new when she points out that five years is a good innings for a laptop; though her comments on planned obsolescence are worth considering.  What is immediately relevant, as a book lover, is the implication for ebooks.  What physical books have is longevity, they last.  Ebooks need energy to be sustained; and the devices used to access them will surely have the same obsolescence flaw as our laptops.