Other Weaknesses of
¨ Messages need to stay small.
Most normal web images are < 10K
Source files of 1-2K (a page of text) can be hidden
easily with steganography.
Large source files (spreadsheets or diagrams) may
“balloon” the container image’s byte-size –
This can flag the image as one that may contain more than just
Audio files can hold even less.  S-Tools can only
shoehorn a maximum of 600 bytes into a 10K audio