The ABC will make logins compulsory from 15 March for those who wish to use its iview service, the taxpayer-funded broadcaster has announced.
If you have a Facebook account and have had one for a few years, chances are high that your phone number and other user data has been leaked to the Internet.
Windows has been around for more than two decades, but there is still no insistence by Microsoft that an ordinary user account be created before one begins using the system.