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This App Warns You if Someone Is Wearing Smart Glasses Nearby - 404media
(www.404media.co)
This is a most excellent place for technology news and articles.
No, the code is available, which is not the same as open source.
They do call it "open source" in the docs though.
True, but I have no issue preventing commercial use. I view that as just as good if not better than traditional open source.