Sounds a lot like stenography.

The security track record of steganography is not great.

Isn't the same true of consumer grade encryption? In a perfect world, they should be used together.

	▲	tptacek 2 hours ago \| parent [-]
		Depends on what you mean, but my subtext was that a lot of steganographic designs have turned out to be detectable; it's a design-level concern, where most consumer encryption problems are implementation issues.