I came across these ideas neatly summarized & thought I’d share… 5 crazy ideas that worked even though people questioned the credibility of their business idea at the time…

Today crazy idea number five.. Pet Rock

Based on the need for a maintenance-free pet, in 1975 advertising executive Gary Dahl came up with the wacky idea of selling pet rocks. Writing a manual on care and handling, Dahl packaged the rocks in cardboard kennels and sold them for US$3.95. In 12 months, around 1.5 million people had taken up the craze.