Hey, yeah, I wrote the article. This (of course) would be more practical. Thanks for pointing it out. I wanted the payload to "live" in actual pixel data rather than hidden text inside an XML file. That’s why I went this way :)

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peter-m80 4 hours ago | parent [-]

The ico file format allows multiple resolution icons, so a lot of data

	▲	weetii 4 hours ago \| parent [-]
		Good point, I might add a section in the article where I list alternative approaches. Thanks