Hmm I'm a bit confused. Is the article saying "registered users" are just those that have clicked a button and been assigned a username/password? If so, that's

Hmm I'm a bit confused. Is the article saying "registered users" are just those that have clicked a button and been assigned a username/password? If so, that's a bit of a silly metric. If they've actually entered in their email or something after, then this is great.