What's your opinion on Twitter, Snapchat, and instagram?

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Twitter is like good for famous people and companies and you can read what they're developing or what they are doing. But its really not such a good social network for having friends on. Its like for staying informed of your interrests.

Than we have instagram, i don't use it personally because i think it makes your private life puplic. Its for taking pictures and instantly putting them on the web. So i don't really know much about it.

Snapchat is something ive never heard of before because it doesn't seem to be very popular in europ but i just looked it up and my opinion is that it looks like something quite interresting, but there's no point for me to use this since none of my friends has an account on this.

Hope you appreciate my opions you are welcome.