There was a time when DPI and PPI were effectively the same thing (72 per inch). As monitors became more dense (but before retina) this approached 96 and then

There was a time when DPI and PPI were effectively the same thing (72 per inch). As monitors became more dense (but before retina) this approached 96 and then 130. If you've got a Linux workstation handy, try manually setting your x86 DPI to match your monitor's specs. Everything will look giant because most apps are written assuming DPI is an arbitrary constant (75 or 96), but most people use monitors that are more dense than that. When you set your DPI to be its actual value, you'll realize that people have become accustomed to screens being more dense over time, but there was certainly a time when DPIs in the 70s were considered par for the course. In fact, many older people prefer less dense pixels because it's easier for them to see bigger things.