unless I'm mistaken...

Box (the cloud storage service) really did just introduce their hat-in-the-ring entry to the Digitally Whiteboard Out My Asshole hype ...

**...without the ability to actually embed files from one's box storage...**

.... which is literally the one and only reason I could imagine for them to have invested the time into such a thing. https://hyp.is/ZqPJRGCWEe-yjj99qvm4Xg/support.box.com/hc/en-us/articles/12535159653907-Introducing-Box-Canvas