Everything is data, data can always be convert to be other data repressenting the same data.

You can encode bytes in white and black spots and stream it as a video
You can 3D print bytes as a structure and scan it later
You can make thousands of empty files and use the filenames to store bytes
You can use pings to servers that can carry a message to store data bc the server will respond with it in a couple milliseconds
You can build structures in a locally hosted minecraft server to store data
You can encode data into base 10 and chop it up and store at which digit of pie the block starts and store that

Everything is data