Cooper should have paid more attention on verifying the source of the article before posting it. Without verifying the article, there are chances that your friends within your social media community will criticize you for posting something from a fiction-writing site. Assuming that Cooper's purpose in posting or sharing it online was to be informative, then he'll have to verify the the article if it's true or not.
Answer: synaptic receptors
Explanation:
They used it because it was cheep but very strong so it made costs go down