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Complete Tables of QR Code Character Limits
Extra Qr-Codes Programming
A reference for standard QR code data capacities in the common input modes.
Tips on Creating the Smallest Possible QR Codes
Qr-Codes Programming
Some brief tips and discussion on how to make tiny QR codes with a focus on web URLs.
Steganography: Hiding Data Inside Data
Steganography Programming Github Cybersecurity
A general introduction to hiding information in plain sight, its uses in the real-world, and how it works in digital mediums.