The two “computers” that refuse to die
These devices, designed decades ago, don’t connect to the internet. The 80-year old E-6B flight computer and the 40-year old HP-12c calculator are still being sold in their original form and continue in use by millions of people worldwide. — What happens when companies push too far with product development that favors the new over the old? Nothing positive: they violate one of those universal laws of marketing by creating products that their customers don’t want.