I'm just collecting their usernames, nothing more.
Chats are public and their usernames are public too.
Collecting data doesn't matter. But why would you sell these data? Use this data to add to the various spamming groups without permission, which is very annoying.Many scammers buy these data and add users to the shit ico group without permission.
I collect @username of all chat users, in the future this user database can be used for mailing / inviting.
What is this?