They are more of a platform as you need web sites / apps for it to be useful. Similar to how you need programs for the OS platform to be useful. Things you de

They are more of a platform as you need web sites / apps for it to be useful. Similar to how you need programs for the OS platform to be useful. Things you deploy to are platforms (web, windows, macos, etc.), the things being deployed onto platforms are apps. But a browser was first (and still is) a document reader, so it's also a limited app in that sense.