They have over 100 million MAUs so even 1000 UTF-8 characters for each each active user (email, first name, last name, location, tokens, other stuff) would be u

They have over 100 million MAUs so even 1000 UTF-8 characters for each each active user (email, first name, last name, location, tokens, other stuff) would be up to 0.4 TB. Then add all the inactive users, and pins, tags, friend connections, and all the other data they'll process for recommendations/discovery.