Answer:
Distributed memory systems
Distributed memory systems use multiple computers to solve a common problem, with computation distributed among the connected computers (nodes) and using message-passing to communicate between the nodes.
Explanation:
Omg I would die to have your points because when I get on people call me a noob because I just got the app like 3 days ago and every time I answer a question some says noob like dang I just started
4chan
it isn’t really commonly used anymore by the general population but it is a forum, whereas the other options aren’t forums.
for example, yelp is a review website and amazon is an online shopping site. buzzd is less known but i believe that it is a review website also.