Nice resource! It explains the difference between parallelism and concurrency quite clearly.
Some things can be improved though:
> The difference between green and lightweight threads is that green threads aren't necessarily lightweight; an example of green threads is classic Java Virtual Machine threads, while Go goroutines are an example of lightweight threads.
Saying that the difference between green and lightweight is that green aren't necessarily lightweight isn't helpful. Some explanation on what they are and when they differ would be useful.
Some things can be improved though:
> The difference between green and lightweight threads is that green threads aren't necessarily lightweight; an example of green threads is classic Java Virtual Machine threads, while Go goroutines are an example of lightweight threads.
Saying that the difference between green and lightweight is that green aren't necessarily lightweight isn't helpful. Some explanation on what they are and when they differ would be useful.