Apps
Instagram - Its main features are for you to post pictures and share them with everyone you follow and with people who follow you.
Further interactions are you can direct message people so its just a chat between two people and you can like and comment on other peoples posted pictures
https://instagram.com/?hl=en
Snapchat
Snap-chat - Its main features are taking videos and images and putting them on your snap-chat story or sending people images separately to show them where you are or what you are doing. But the videos or picture you send only last 10 seconds max
For example if you are at a concert you can take a video on Snap-chat and send it to your friends to show what they are missing out on, furthermore you can send texts through it too when you go on just chat.
https://www.snapchat.com/
Twitter is an app/ social media network,where people write statuses or posts about many different things, politics, views, their needs, their own thoughts, its just somewhere, where people get their voice across. Whatever s on their mind they would ''tweet it''.
You can also post pictures and message people through it separately
https://twitter.com
Gumtree
Gum-tree is an app where you can buy and sell whatever your item is furthermore you can contact people through it to get more information about the item you are buying or selling.
Its simple to use, you can even post your phone number so people can ring you if its easier.
https://www.gumtree.com/
