Yes, the industry would like you to upgrade every year, if they could. They've managed to force most people into perhaps a 3 year cycle. But the truth is, for tasks like documents of a few pages, small spreadsheets, sending a receiving email, etc, etc, then a machine from 1990 could do all that.
Imagine if the car industry worked like this, if 3 years after you bought a car it wouldn't work quite right with the only fuel you could buy, and spare parts were impossible to obtain, and the engine compartment was welded shut!
Imagine if the car industry worked like this, if 3 years after you bought a car it wouldn't work quite right with the only fuel you could buy, and spare parts were impossible to obtain, and the engine compartment was welded shut!