Okay, so Myspace is like a big playground where you can hang out with your friends and share stuff like pictures and music. But some people say that there are some not-so-fun things about Myspace that make it not so great.
One thing people don't like is that sometimes bad people can go on Myspace and do mean or even dangerous things to other people. This is called cyberbullying or cyber harassment.
Another thing people don't like about Myspace is that sometimes there can be weird or inappropriate content that's not good for kids to see. This is called adult content or mature content.
Also, some people don't like that Myspace can be addicting and take up too much of your time. It's important to balance your time between your online activities and other things you should be doing, like homework or playing outside.
Overall, some people think that Myspace is not the best place for kids to spend their time because of these concerns. But it's up to parents and other adults to make sure that kids are staying safe and making good choices while on Myspace.