This item is very popular.

Respecting the opinions of consumers is important for business.

He is a famous author and a person who is respected by many people.

Stealth marketing is a technique to advertise products without consumers realizing it's an advertisement.

He solved the problem with his own technique.

He realized his mistake too late.

He became aware of his mistake.

I'm thinking about how to advertise this new product.

We have started a campaign to advertise our new product.

This advertisement is very attractive, isn't it?