It's specific
<span>"Instead of giving general praise or criticism, tell the person exactly what they did right or how they can improve."</span>
This question has a ton of answers to it but, here are some basic ideas to help you out
- Cars 1900's vs today
- Computers 1980's vs today
- Guns 1800's vs today
- Televisions 1900's vs today
- Telescopes/Microscopes