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I can only speak from my own experience here but I suspect it would be the same for most adults in their late 50's or early 60's now. We were shoved outside to play by our Mums in all weathers, as long as there wasn't actually a blizzard or hurricane forecast ! And while it is true we didn't have any computers to play with, we did have Meccano, Airfix kits, etc to occupy us.
But our Mums quite rightly thought that we needed the fresh air, and thank God they did ! Its often said that kids these days are in the house far too much, and don't get enough exercise but this is down to the parents attitude, not just the availability of computer toys. I have a 14 year old nephew who comes out of his bedroom in the morning to go to school and promptly goes back upstairs again, as soon as he is home at 16:00. My sister-in-law actually texts him when his tea is ready ! My brother, who is far less indulgent, has been know to switch the WiFi router off at the mains, in the kitchen, in order to winkle the lad out of his bedroom. This has the desired effect as the aforesaid nephew beaks the world record for descending three flights of stairs in 30 seconds !
He has repetitive strain injury, although at his age, it may not all be down to playing with his Play Station !