It's interesting the idea is sort of making a comeback with QR codes and cell phone readers. Perhaps CueCat was just far ahead of it's time (and flawed by not being portable)
Cause of the whole chicken <-> egg problem. No-one will use CueCats unless there are lots of those barcodes online. The barcodes wont appear in significant numbers online unless everyone has a CueCat.
It's interesting the idea is sort of making a comeback with QR codes and cell phone readers. Perhaps CueCat was just far ahead of it's time (and flawed by not being portable)