
The first mass email went to about 400 people in 1978 and reportedly brought in 13 million dollars.

A shaving cream became a national brand by putting six small signs in a row along the highway, one line each.

In a well-known study, shoppers who tasted from a smaller selection of jams were more satisfied than those faced with a large one.

Singles' Day began as an informal celebration among college students.

Researchers sent enquiries to 2,241 companies and timed the replies.