Read the dialogue then answer the question.

Panca: Oh, great. It's a blackout. It sucks.
Gilang: Well, we can do nothing about it.
Panca: Uh-huh.
Gilang: I've just thought that humanity has depended on electricity so much.
Panca: I know, right? Benjamin Franklin changed human life entirely when he found it.
Gilang: Yeah, but now that the city is so dark, the stars are more visible.
Panca: I guess stargazing is nice. We can't continue to work on our project because it needs electricity too.
Gilang: We have worked on it around 50% so taking a breather is alright.
Panca: I agree.
How did Benjamin Franklin change human life?