A2_Unit 7_L2

Billboards in New York City use high-tech sensors to change their ads based on the weather conditions, like showing ice cream ads on hot days and coffee ads on cold days.

Luxury brands like Louis Vuitton, Gucci, and others often use secret "special offers" for loyal customers, not advertised to the public.

The first-ever TV commercial was only 10 seconds long and ran in 1941.

In Japan, there's a tradition of collecting beautifully designed flyers, almost like collecting art.

There's a secret island where advertisements are banned, and people go there for an ad-free vacation.

To advertise in space, companies send giant advertisements into orbit that can be seen from Earth.

There's a billboard in London that can detect planes flying nearby and show special messages to the people on board.

The concept of pop-up ads was invented by a man named Ethan Zuckerman, who later apologized for creating them.