It's a thneed! The idea is to provide the user "privacy, warmth, and concentration" when using a laptop in public spaces. I am laughing myself silly here. While you have all the privacy you need everything you own except your laptop will be stolen.
For a modern take on a traditional canopy bed, try bed curtains. Instead of being mounted on a canopy bed, these curtains look great hung from the ceiling. You can use a combination of standard curtain rods mounted on the ceiling to create this look.