A version of this article previously appeared in The Wall Street Journal.
What would you do if you opened a UPS envelope and there was nothing inside?
A scrappy startup inadvertently answered this question when they accidentally mailed several hundred empty UPS envelopes. Note: the company has asked to remain anonymous, as they don’t want to alert their competitors to the success of their Stealth Campaign.
Continue reading “Guerilla Marketing: An Empty UPS Envelope Doubled This Company’s Sales”













