Many sites display information only after registration. This applies not only to social networks, streaming services, but also, for example, forums. Links or entire pieces of information are closed to guests.
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Login 2 - database of passwords from popular sites.
If a site asks for authorization, but you are too lazy, go to Login 2. Perhaps some of the users shared a password from this site.
Enter the address of the desired site and the service will immediately issue a couple of usernames and passwords for authorization on it.