Satawal is one half mile long by one mile wide.

We're going to look at the mid ocean ridge, a 40,000 mile long mountain range.

And these guys orbited a 30 or no, about a 22 mile long asteroid called Eros.

Now, as it happened, that two mile long strip right in the middle, this vertical, was available because it was private land.

They go from eight cents a mile in 2010, to four cents a mile in 2015, to two cents a mile by 2020.

And thanks to Jay Walker who was here and Mitch Kapor who was here, who started the process, Long Now was able to get that two mile long strip of land.

Maybe the last mile problem really should be thought of as the last mile opportunity.

It's about three miles out of Nairobi, and it's a mile long and about two tenths of a mile wide, where over half a million people live crammed in these little tin shacks, generation after generation, renting them, often eight or 10 people to a room.

This is the last mile.

That's a 2,000 mile journey.

I walked about 1 mile.

A key part of their technical set up was a half mile long length of wire, which was thrown across the rooftops of several houses in Boston.

The last mile is, everywhere, problematic.

Yeah, I'm a million mile flyer.

This river is one mile across.

So in a sense this is an absolute zero carbon, zero fossil fuel electric mile at two cents a mile by 2020.

I walked three fourths of a mile.

The shopping center is one mile ahead.

A nuclear explosion is just as hot, but we don't really have anything big enough to melt a 22 mile long asteroid, or vaporize it, would be more like it.

So, how do we tackle the last mile?

I mean, and only one mile is visible.

We fly about a mile above the surface.

My house is only a mile from here.

In the 1990s, my company created the long distance AIDSRide bicycle journeys and the 60 mile long breast cancer three day walks, and over the course of nine years, we had 182,000 ordinary heroes participate, and they raised a total of 581 million dollars.

In 2004, two St. Helenian fishing vessels developed the capacity to fish beyond the 12 mile inshore waters of the island's 200 mile exclusive economic zone.

And the inconsistencies create, fundamentally, this last mile problem.

Diarrhea, and many last mile problems, are like that.

Now, a six mile wide rock is very large.

So it's about a mile across, 600 feet deep.

So, let me now talk about the last mile problem.

That's what I'm talking about as a last mile opportunity.

But you know what we do on the last mile?

Three hours of bottom time, average distance traveled one mile.

So this is what you call a last mile problem.

DG All this stuff is happening along that 40,000 mile long mountain range that we're calling the ribbon of life, because just even today, as we speak, there's life being generated there from volcanic activity.

The desert was advancing by a mile or two a year.

Whoever compels you to go one mile, go with him two.

And that, to me, is the fundamental challenge of the last mile.

But a trained liespotter can spot a fake smile a mile away.

How do you use your million to solve this last mile problem?

In China, talented people are often described as ten thousand mile horses .

And today, you would see this inside the mine, half a mile underground.

To give you a sense of scale, this is about a mile wide.

The age of the 3,000 mile Caesar salad is coming to an end.

The fastest woman to ever run a mile did it in 4 15.