I don't think it does, from the slides: https://s21.q4cdn.com/399680738/files/doc_financials/2020/q3...

> We define a monthly active person (MAP) as a registered and logged-in user of Facebook, Instagram, Messenger, and/or WhatsApp (collectively, our "Family" of products) who visited at least one of these Family products through a mobile device application or using a web or mobile browser in the last 30 days as of the date of measurement.