In 2005, the multinational conglomerate 3M took a bold and unconventional approach to promoting its new security film, Scotchshield. The company placed a glass box filled with $3 million in cash at a bus stop in Vancouver, Canada, and issued a simple challenge: break the glass and keep the money. The stunt quickly captured the attention of the city's residents. With … [Read more...] about Unbreakable Glass: The $3M Challenge That No One Could Crack