2. You can upload pictures or short videos an post them or send
them to certain people. People can view them but there's no
commenting or likening
You can draw or add little mini faces to your pictures or videos.
The new update had new video feature's
3. Instagram you can upload pictures or videos on a main page or
send to friends. People can like or comment on the post. You
have a profile that shows all your pictures an one your tagged in.
You can write a brief description of your self or what you think.
4. Facebook probably the most used social media net work. You
can post videos, pictures, links, or just word of your choice. There
are many games an activity's to play. You can chat with friends
individually or in a big group chat. You has a new bar of what's
going on in the world.