A Tale of 4 Arduino Unos - Genuine, Counterfeit, Clone and Improved

It's really easy to mix up terms when talking about "Arduino Uno" boards. Is one better than the other? Is it bad to buy clone boards? What's the difference between a clone and a counterfeit?
This is the podcast I mentioned. • The Simple Electronics...
If you're looking to buy some boards, using my referral links helps the channel with a small commission.
US and Global Links (Canada Below)
Genuine Board
amzn.to/3ksC6w0
Bikini Board
www.banggood.c...
amzn.to/2ZY81Lk
Duck Board
www.banggood.c...
Clone
www.banggood.c...
amzn.to/3q6fEtI (2 pack)
Keyestudio Plus
amzn.to/3q6fEtI
CANADA Links
Genuine UNO amzn.to/3kHREMF
3x cloneduinos amzn.to/2OckbgM
keyestudio uno amzn.to/3q2V2Cs
rgbduino not available in canaderp