Gillette Mach3 Razor

Gillette spent some $1 billion developing and marketing its new triple-bladed razor, Mach3. While the $1.60 cartridge made critics gasp, consumers loved the gee-whiz technology, including the thinnest blade edge ever. After five months, blade and razor are No. 1 sellers. (800) GILLETTE

Before it's here, it's on the Bloomberg Terminal.