2. INSTAGRAM
Instagram is a social networking app made for sharing photos and
videos from a smartphone. Everyone who creates
an Instagram account has a profile and a news feed. When you post a
photo or video on Instagram, it will be displayed on your profile.
3. TWITTER
Twitter is an online news and social networking service where users
post and interact with messages, "tweets", restricted to 140
characters. Registered users can post tweets, but those who are
unregistered can only read them.
4. FACEBOOK
Facebook is an American for-profit corporation and an online social
media and social networking service based in Menlo Park, California.
After registering to use the site, users can create a user
profile indicating their name, occupation, schools attended and so
on. Users can add other users as "friends“, exchange messages, post
status updates and digital photos, share digital videos and links, use
various software applications, and receive notifications when others
update their profiles or make posts.