Why are keyboards backlit?

Related questions

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2. How do I turn on the backlit keyboard on my Lenovo?
3. Why did my computer keyboard stop working?
4. Where is the reset button on a Logitech wireless keyboard?
5. Do all Macbooks have backlit keyboards?
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8. Can I make my laptop keyboard backlit?
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10. Are laptop keyboards membrane?

Tags

1. #backlit
2. #attributed
3. #because
4. #simply
5. #boards
6. #darkness
7. #makes
8. #versatility
9. #ultimate
10. #regular
11. #keyboards
12. #lights
13. #characters
14. #printed
15. #behind
16. #light