its another form of steganography. another form is to embed an encrypted message in the least significant bits of a picture, as long as lossy compression isn't used. see http://www.counterpane.com/crypto-gram-9810.html or read http://www.amazon.com/exec/obidos/search-handle-form/107-1639451-9758948 "Matthew J. Brooks" wrote: > This is pretty funny. I wonder if this was done using perl... > http://www.spammimic.com/explain.shtml
