About the current event on twitter

I have some wonder of how these codes are handled; as every time I tried a code throughout the day, it says it’s already been used. Is it possible that one person could use multiple of those codes? And they just happens to put them down first? Or am I really just that slow at putting the codes in?

There are still several that haven’t been claimed. Check the first wave of codes in particular - people missed 4 of them.

Zack, you are a king among men. I just got the one thing I wanted. I won’t even try to sort through to take another. Thank you so much! Say goodbye to constant shortage of power! Yes!

Argh, my humble bundle still hasn’t updated to 2.0.6 so after finally catching some codes being tweeted I get this awful message: