A brief summary of various social media applications.

2. Using the app, users can take
photos or record videos, and add a
filter, text, or overlays to the
photo/video, and send them to a
controlled list of people. These sent
photos and videos are known as
"Snaps". Users can set a time limit
for how long recipients can view
snaps.

3. Twitter is an online social
networking service that lets
users to send and read short
140-character messages called
"tweets". Users can also post
photos and videos to the site.

4. After registering to use the
site, users can create a
profile, add other users as
friends, exchange
messages, post status
updates and photos, share
videos, use several apps
and receive notifications
when others update their
profiles.