Sabrina Carpenter, Danielle Fishel and Rowan Blanchard

Riley is definitely her father's daughter on Girl Meets World, but the sequel series is no direct carbon copy of Boy Meets World. For one, the world is a lot different from 21 years ago.

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"In Boy Meets World, we didn't have the Internet, which is so weird to think about!" Ben Savage says. "We didn't have a lot of the difficulties that young kids have to deal with today. There was no Instagram, there was no Facebook, there was no cyberbullying, there was no Twitter. ... It's a much more difficult world for kids."

Check out what else Savage has to say about getting back into Cory Matthews' shoes and what similarities Girl and Boy do share.

Girl Meets World airs Fridays at 8:30/7:30 on Disney.