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There is an app called Instagram. It's like Facebook, but it's a photo sharing place. You post pictures, you can like other peoples pictures, comment on other pictures, and you can follow people and they will follow back. Lots of famous people are on Instagram, like the whole Hunger Games cast, and lots of singers.
So, Facebook just bought Instagram for 1 billion dollars and lot's of people aren't very happy. They don't want Instagram to change at all, and I don't either! I hope Facebook keeps it the same, but I refuse to update Instagram to see the changes made by Facebook. Lot's of people I follow on Instagram are doing that too.