In the abstract, I don't see an obvious practical advantage of 3d steganography over 2d because the tools for 2d (printers and cameras) are more readily accessible and the processes of creation and reading are faster...particularly reading.
There might be corner cases where 3d makes sense...but it is hard to compete with decals/stickers, and 2d steganography can also use color and saturation as additional data dimensions.
The advantage is much more durability. Hardier materials, and the print can lose an entire paper sheet's worth of mass/thickness, and still be readable.
Reusing is better than reducing because “reducing” is only meaningful in terms of reducing consumption. The only way to reduce what you already have is either disposal or recycling or reuse.
Illegal uses like child pornography is the reason these services aren't everywhere...moderation is the hard (expensive) problem in the space. Congratulations again, and good luck.
That's a good point. I don't know if not storing (just relay) on the server helps my case. I'll read up more on it.
Anyway, this is just a pet project at the moment. My wife wanted some file that was on my work laptop which has AirDrop disabled, so obviously instead of emailing her the files, I went ahead and built this app.
For direct use by close people, it's a great project and you don't need need to worry about the legal implications.
I doubt relay would help with a public facing project because even if it is legally defensible, at any kind of scale you will wind up defending it against well funded highly motivated adversaries...and you probably don't want to die on that hill.
Or to put it another way, if it's public facing you would probably benefit from paid legal advice and if paying a lawyer seems like too much that's probably a symptom of it not being suitable for a public face.
Trying to build a robot is the way to start the robotics hobby. Reading about robots, studying physics etc. are different hobbies and fine in their own right, but not a robotics hobby.
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