In 1991 a guy named Jimi Heselden started a company called Hesco that made a barrier commonly known as Hesco barriers. A self standing wire framed sack that you fill with gravel dirt or sand to create an instant wall or barrier. Got a lot of use in Afghanistan and Iraq during the wars, and grew in popularity also for civilian use such as emergency flood water barriers.
In 2009 he purchased Segway from the inventor because he thought they had great untapped market potential, and he loved the product.
Ironically, in 2010, while riding a Segway and walking his dog, he went backwards over a cliff to his death. It's a tragic shame he didn't have some sort of barrier to keep him from falling off the cliff and into a river.
PS open hand, last written chapter is number 12 and posts on Thursday.