Explanation:

- Henry Moniz was indeed appointed as the first-ever Chief Compliance Officer of Facebook Inc. in January 2021.

- This role involves overseeing compliance with regulatory standards and ensuring business practices meet legal and ethical standards.

- Option 1: Twitter Inc. - Twitter has a compliance role, but Henry Moniz was not appointed there.

- Option 3: Google LLC - Google also focuses on compliance, yet Moniz was not their first in this position.

- Option 4: Apple Inc. - Apple, like other tech companies, would have compliance officers, but Moniz did not take a position here.

Option 2: Facebook Inc. - Henry Moniz's correct appointment.