"The problem isn't that people are trading and doing business," he said.

"We should get the word out, tell people not to trade."

There is no way 42 million people could trade with each other except through an online network like eBay's.

If the shares are seen as risky, fewer people might trade them.

If one kind of razor was too expensive, people typically traded down to another.

T-shirt exchange is an activity where people trade their T-shirts they are wearing.

We want to improve the experience and help people trade quicker.

The more people traded, the more writing had to advance to keep up.

We have also created a single market where our people can trade and do business without barriers.

"Now, in exchange for these goods, what do you people customarily trade?"