"Japanese smell-o-vision TV releases scents with per-pixel accuracy"

3 things I learned that I did not know before knowing the article:

• "Smell-o-vision" is so old-- my first exposure was a rugrats movie
• The hardware is precise enough to place smells accurately with fans
• Actual smell-o-vision machines were actually used in theaters

2 opinions about the article:

• Were there any advances between the original and this machine?
• Could have gone deeper in-depth about the machine

1 question about the article:

• How easy is it to "convert" something into smell-o-vision?