We don’t deny that new technologies come with some perils. We understand the nostalgia for the halcyon days of, say, the 1950s, when people were not yet bound to their personal technology and were free to enjoy the simpler pleasures of life, like stickball and climbing trees — and getting polio and having to wait in line at the bank to check your account balance.We doubt most people would actually want to return to the good old days. We and our children are “addicted” to new technologies because, for the most part, they improve our lives or are simply pleasurable