👓 Hiding Information in Plain Text | Spectrum IEEE

Read Hiding Information in Plain Text (IEEE Spectrum: Technology, Engineering, and Science News)

Subtle changes to letter shapes can embed messages

An interesting piece to be sure, but I’ve thought of doing this sort of steganography in the past. In particular, I recall having conversations with Sol Golomb about similar techniques in the past. I’m sure there’s got to be prior art for similar things as well.