unglue.it 📚

I just found a website (unglue.it << link, opens in new tab) that has a lot of books. I haven't tried downloading anything yet, so we'll see where that goes, but so far I think it's an ok site. They say that all of their books are free to read - either they're distributed with a free license, or they're in the public domain. So it sounds sort of legit and I'm willing to give it a try. If they have any books that I haven't been able to find on the internet, I'm sold.

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What do all the emojis mean in your post title?