No good without a picture.
The below photo will give you an idea as to how a small room might look. I can see myself using it on business travel with while using my iPad to watch a movie, read a book or just check my email.
Just so long as I don't have to take a high-speed train to get there! 
Heck, that’s big for a hotel room in Paris and gargantuan for Tokyo where you can rent a POD instead of a room.