Earlier this week, we reported that Blizzard would begin cracking down on the use of third-party input broadcast software. And now the great purge has begun in earnest, and users of such software will receive the following warnings.

After the initial announcement earlier this week, Blizzard clarified that while multiboxing itself is not against the Terms of Service, using third-party software to do so is. This is because while multiboxing is possible without third-party software, it cannot be done efficiently.

Farewell, synchronized swimmers and hybrid herb collectors of Azeroth. And don't let the door hit you in the face with third-party software.