There's other edges that if we take them out, things are still connected.

Off camera. Male voice

What is homophily?

Dance has never had a better friend than technology.

So there's a fair amount of interconnection between a node's neighbors.

Laughs

It's very exciting work.

This has been fairly well studied.

That's all I'd like to say about shortest paths and weighted graphs in this unit.

What it's telling us is that capitalism is going to become more social.

That our ideas reach other people who think as we do.

Well, I use Facebook and Twitter.

So, lets imagine there is some problem called graph partitioning which is a real problem.

This example illustrates two things that are central to this course.

Off camera. Male voice

What attracted me the most was Facebook.

For a more efficient way, take CS215! See ya there. Excuse me!

There's these issues that are taking place.

Let's go out on the street and ask people about social networks.

Yes.

A community of people with the same interests.

I'll just flip through a few other slides.

The first is the idea of a social network.

Western Europe

Eastern Europe

Southern Europe

Northern Europe

Europe

And Christian majority religions, we see in these countries. They are blue.

Let me tell you why this is so important.

Map of Europe

Rueda camara! Ese es mi objetivo.

So, within six months

But I didn't appear in that comic book with him, so that's not a very good metric.

Unit four explores the notion of statistics, numbers that summarize complex structures like social networks.

Duncan Watts is one of the world experts in analyzing social networks and learning about what's going on inside of that.

European Alphabets

South Eastern Europe

Europe, Eastern

Europe, Northern

Europe, Southern

Europe, Western

European foolscap

European Foolscap

European Countries