The Cryptographic Capability of the Barbie Typewriter...
In 1998, Mattel began selling the electronic Barbi... ...ypewriter in the Barbie line, thus continuing the toy industry habit of introducing young children to t... ...as letter-spacing and underline, this children's toy was capable of encoding and decoding secret messa... ...ret writing would have been the ma...
https://www.neatorama.com/2017/01/09/The-Cryptographic-Capability-of-the-Barbie-Typewriter/
