There's a historical marker.

Satawal is one half mile long by one mile wide.

It had 'Chad' written in magic marker on it.

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

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

It's not a marker of liberation, but of suffocation by meaningless minutiae.

In this case, he's wearing simple marker caps that you may recognize.

This is the last mile.

That's a 2,000 mile journey.

I walked about 1 mile.

It's a marker of where the interesting waves are and whatever went on.

There's a marker line called the trim line above our little red illustration there.

The last mile is, everywhere, problematic.

Yeah, I'm a million mile flyer.

This river is one mile across.

The state of the art at the time was something called marker based motion capture.

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.

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 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.

And now what we're looking at is really creating a surface capture as opposed to a marker capture.

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.

At the end, there will only be one marker left standing and it will determine our wealth in retirement.

Notice how this pole has a reflective marker on top, which means that it can be located in the space.

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 .

We might not even know what this protein is, but we can see it's a marker for the response to the disease.

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.