The first shopping center is Trajan's Forum created in 2nd century's Rome. So they're not a new thing- they have about 19 centuries.

Flyers are also not a new thing. The first one to use them was a 15 century printer and publisher Aldus Manutius.

The first complaint is almost 4000 years old! A man named Nanni wants his money back for cooper he bought.

Have you ever entered a mall you know only to be lost? Have you felt they moved everything? You can be right. It's called the Gruen effect- confused customers buy things they normally wouldn't. Malls are often devoid of windows and stuff is moved around to make people lost.

Scientists watched how shopping in luxurious places affects our generosity and came to a conclusion that people shopping there are reluctant to give out money. Some even felt superior to the people who asked them for help.

Statistics show that having a list to avoid buying useless stuff often fails. Most people buy sweets or other similar items to reward themselves for a good job.

What's the best way for a woman to finish shopping early? High heels. Scientists tied that to the fact women can't run in them and are tired earlier so their decisions are more rational.