Instagram is the simplest social site provides sharing photos, 1 minute videos and 24 hour stories. We can switch out account private so out post can see only those people whom we allow. Size of app is moderate and require moderate RAM.
In home page only post are there whom we follow. We can explore other post by another page than home page. insagram provides mesagimg facility and it does mot require any additonal app. Unsend message is the best feature in message which allow as to unsend mistaken messages. Many filters are there so that no additonal editing app required.
Location detector is also accurate. Instagram allows 1 to 10 photos in single post and unlimited 24 hour story. In story several face filter availble. In story video boomreng is very innovative feature. Live facitlity is also good and quick to connect.
Main drawback is that it requires lots of data.