This is an exchange.

We have a barter system.

When the exchange is over,

You don't like it?

I don't know if you know this, but bacteria can actually exchange DNA.

So that's why they're mirror images.

We've essentially swapped the x and y.

We got nothing to trade for Michael.

Don't forget, technology is absolutely fantastic.

Something to trade.

We're literally beginning to realize that we have wired our world to share, swap, rent, barter or trade just about anything.

David Vincent. I'll ring. Hello operator?

Traded him?

Exchange Tiles

In the '50s, we start branching out.

Peer Exchange

Exchange mode

Operator.

Of course. Of course. ( dials )

Dispatch. Thorn, ID RC105.

Use peer exchange

Could I have Operator 216, please?

She switched your bodies, didn't she?

In exchange for a favor. A favor?

Exchange All Tiles

Well, good night. Good night. WOMAN 1

Living and unliving things are exchanging properties.

It is a system of direct exchange of goods.

Yes, right away.

Check the Exchange.

The Exchange.

I traded it.

She switched.

Unless they change the oil.

Bureau.

I was changing the oil.

Whether or not to use µTorrent compatible peer exchange.

And we're going to multiply that by you switch the a and the d.

So how do we fix that?

It is time for the ring exchange.

The Cauldron for Gurgi.

How'd you bypass the heat exchanger?

You and the wife You exchange email

You exchange What else?

In primitive societies barter was used.