with BarCodes (and QR Codes)
- Can be read only by a machine
- WCodes can be read by machines but it required system is more complex
- WCodes require have much larger footprints.
with Spelling Alphabets
- Every word of a spelling alphabet represents only a single character of the original message.
whereas a single word of a wcode can encode more than one character - and thus is shorter. - WCodes can represent binary data.
