What do Marx and Engels mean by commodification and alienation?

What do Marx and Engels mean by commodification and alienation? In what respects, if any, do you think Marx’s and Engels’s indictment of capitalism applies today
A substantive initial post, will engage meaningfully with the text and course materials, and will include a references or works cited section. After you’ve posted, you will be able to see the contributions by your classmates. Please participate fully in the discussion by contributing your own peer-review replies to your classmates.