Online segregation is when people separate themselves into groups online based on things like race, gender, religion, or interests. It's like when you go to the playground and all the girls play with the girls and all the boys play with the boys.
But on the internet, it's easier to find other people who are like us, and sometimes we only want to talk to or hang out with people who are just like us. It's like when you go to a party and you only want to play with the toys that you like, or when you decide to only invite your friends to your birthday party because you don't want to play with people you don't know.
But sometimes, online segregation can be a bad thing, because it means we don't talk to or listen to people who are different from us. It's like if you only played with your red toy car and never wanted to play with your green toy car, even though it might be just as fun.
So it's important to remember that even though it's okay to have our own groups online, we also need to be open to talking to people who are different from us, because that's how we learn and grow!