Oh my god, it's 100 days on Snapchat!

I just remembered the name!

Oh my god!

What happens when a tech company designs an app that makes absolutely no sense to half

the population and triggers intense, some might say, compulsive behaviors in the other half?

I'll tell you what happens.

That company grows to be worth over 20 billion dollars.

Let's note to self the tech show about being human.

I'm Manouche Zomorodi, this week, Snapchat and technologies that hijack our minds.

How they work and how they're changing the way that we talk to each other.

Sometimes for good, sometimes for bad, and sometimes for very strange.

So let's start this episode with how Snapchat actually works.

For those of you who are completely clueless and don't worry, you are not alone.

If you want to see it again, you hold down and replay it.

But you only need to replay one.

This is producer Megan Cunain, a millennial, teaching me and senior producer Kat Aron, Jen

Xers.

What Snapchat actually does.

But what if I want to go back and see things that she's per chance they only have 24 hours

on the story?

You have to keep checking and keep checking and keep checking.

Even though it's been around a couple of years and we even signed up a while ago, Kat

...