A Boost Channel?

[Punyelf-draenor (Punyelf)]

In case you wanted to read the bluepost and FAQ

New Services Advertisement Policy

This week the 9.2.7 update introduces the new chat channel: Trade (Services). The Trade (Services) chat channel is used for searching and advertising services like raiding, dungeons, or PvP activities, keeping the original Trade chat channel available for traditional buying and selling of items and profession services. With the separation of trade services into its own chat channel, a new policy will take place. Any boosting, carrying, or other similar services offered for gold that’s advertise…

In-Game Advertising