الرمل أيضا انسحق انسحق آلة الحصى إلى داخل المكسيك
لافارج، الإسمنت، وي، الذهب، خامة، جراش. Unit Economics Sam Altman. I think the answer is unit economics One of the jokes that came out of the 2000 bubble was we lose a little money on every customer but we make it up on volume This was then out of fashion for a long time as Google and Facebook hit their stride There are now more businesses than I ever remember ...