Gmail's right-click menu just got a ton of new options

Have you ever tried right-clicking on a message in your Gmail inbox? Even if you have, you may not be using the resulting menu much, as it currently only offers three options: archive, mark as unread, and delete. 
But this is changing in a big way. Google announced on Monday that it's added a lot more functionality into Gmail's right click menu. 
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The new Gmail right click menu will have a total of 12 options: reply, r