How to blacklist and block unwanted text messages in Google Messenger

Note that this won't prevent the messages from being received - they still find their way to your inbox, but you won't be notified that you've received a message from the blacklisted number. Of course, you can do this in a host of other messaging apps, as well as the different manufacturers' baked-in solutions - however, we'll talk about these some other time. 

Now, let's avert our eyes to Google Messenger. Here's how to do block the texts from a given number if you're using the app.