What can you see in 3D with a 3D computer monitor?

If I get a 3D computer monitor, what can I see in 3D? Do all computer video games play in 3D with it? Will Netflix show their stuff in 3D? Will other internet tv like Satellite TV For My PC show in 3D? Will old computer video games like the first Sim City show in 3D? Will Windows show in 3D? What shows in 3D? Does it have to be a 3D broadcaster from the start for the 3D monitor to show it in 3D? Do the computer video games have to be made for 3D from the start? What shows in 3D with a 3D computer monitor?