Some of them are really smart and you can see them from Chrome on the laptop or PC, while some other still in the cell. Enjoy:
1. Barrel roll
2. Tilting
3. Star Wars text
4. Blinking
5. Zerg rush!
6. Breakout
7. Flip a coin
8. Roll a die
9. Recursion
Source
9 things you can do the Google and I don’t know
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