What's the difference between OEM And ODM? (The most authoritative explanation on the whole network, you don't need to read other articles)

 What's the difference between OEM and ODM? Please read this article on alibaba.com, OEM vs ODM manufacturing: What's the difference?

If you don't trust alibaba.com, you have the other choice, 

please read OEM(Original equipment manufacturer) and ODM(Original design manufacturer) on wikipedia.org

If you still don't feel enough, kiss me, I will tell u more, starting from the Big Bang. Beer ready please.