Twitter is a real-time SMS service that allows users to share messages publicly. It enables users to discuss topics using hashtags and follow others by clicking 'follow'. Users can also direct messages to specific individuals using '@'.

1. TWITTER
WHAT TWITTER DIDN’T
TEACH YOU
No copyright to TIA KANSARA

2. WHAT DO YOU THINK
TWITTER IS?

3. TWITTER IS A REAL-TIME SMS
SERVICE FOR FREE - THAT
EVERYONE SEES
EVERY TWEET = SMS

4. Text messages that
everyone can see on
your page, but also on
theirs (feeds)
Having a topic you are
discussing that others
can find (#)
Following people you like
(Click follow) and directing a
message to them (@)