I remember a lot of discussion about the easy button on another tech forum... People were trying to reprogram the sound storage chip with new phrases for fun, even trying to access the sound player chips speed, pitch, and volume control.
Finally, someone asked why they did not just solder in a voice recorder chip and call it a day.
"That would be TOO easy".
An argument you hear a lot here, too. Why not just buy a PSP and put emulators, and call it a day?