Lincoln's back at the plaza.

If you think of food, many of you will have heard of the Slow Food movement.

In 5,000 years, we've gone backwards in getting around cities.

The final navigation tool is zoom.

He would take a huge sheet of lead and roll it up and unroll it.

(Laughter)

And it's been translated into 26 languages.

But in the last 10 years, bandwidth has exploded a hundredfold.

The airplane is exposed to the atmosphere for the first time.

It devastated me when my mother did that to me.

It's happened almost entirely without big money behind it.

And the other thing it does is it spreads out the moment it hits the water.

And as you go down, the washing machine at the surface calms down.

So, maybe, over 10 years ago now our library got flooded.

The news spread little by little.

And the chemical plant comprised 757 acres.

Ravi Dhariwal from Pepsi, decided he's going to take it all over the world.

Now this is probably a good thing, right?

Yes, but you told Pam and now everyone is looking for a real mole.

We have these amazing tools with the internet and mobile phones to spread messages very quickly

And two years after that, it had spread across the continent.

Leaving Whitehot slivers in your insides,

This time it's called the Facebook.

You know, that's not a big deal to accomplish.

It happened in Victory Square.

That's all it was.

I mean, we're talking about unusual perspectives, we're talking about narrow little winding streets that suddenly open into vast, sun drenched piazzas never, though, piazzas that are not humanly scaled.

What breadth first search does is it always expands out in levels.

We talked about classification and regression and different methods to do supervised learning.

Let's assume, for example, that the first case occurs in South Asia.

And we have window farms all over the world.

And when we do that, we're not just one person.

A virus is spreading from planet to planet.

As people began to die from dehydration.

I looked out the windows and I saw a full half circle of explosion.

So h expands into i and j, one and the other first, and then one of the other of these has expanded but with only one level, and before we go any deeper, 3 has nodes, j's nodes get expanded next, and only after everything distance 2 away from h has been expanded, will o all get its chance.

But in the other dimension they are incredibly expansive, as expansive as you can imagine.

We want our babies to read when they are six months old.

What happens is, by firing each one, they produce radio frequency energy that normally comes off of an antenna, spreads out rather rapidly.

In 2009, we've seen the continuation of this process.

So a few days after that, what happens?

The volume of surgery had spread around the world, but the safety of surgery had not.

And I'm the one who casts a fishing rod

I advertised my car for sale.

These are actually fun topics relating to the spread of data.