Twitterpated

I always worried about the time when I would stop understanding technology.
The time has come.
What is Twitter?
Why is it?
I have an account, but I have no idea why I should use it.

Twitter is a social networking and micro-blogging service that enables its users to send and read other users' updates known as tweets. Tweets are text-based posts of up to 140 characters in length. Updates are displayed on the user's profile page and delivered to other users who have signed up to receive them.

Isn't that what Facebook's for?
This just doesn't make sense to me,
and that makes me feel like my Mom.

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