4 ms·A stone knife is technology. We as a species are intrinsically linked to technology.by andrewfelix 14y agoA stone knife is technology. We as a species are intrinsically linked to technology.peejaybee 14y agoExactly. This is our evolutionary leg up on a world that would otherwise eat us alive.saraid216 14y agoSo is a business plan, I want to add.