Lesson 4

People will use this object to print documents anywhere.

• keyboard jeans
• pen printer

People will use it to have meetings.

• holograms
• floating sofa

People will use it to clean their houses.

• robot
• spaceship

People will go faster to work wearing this.

• spray-on battery
• flying suits

People will have it in their smartphones to control things at home.

• self-transforming home
• smart appliances

People will wear them to watch movies, read mails, etc

• computer eyeglasses
• flying suits