Gross revenue - Returns = Net revenue - COGS = Product margin - Free shipping one or both ways = Gross margin - Customer service - Merchant processing fees - Photography - Non-shipping cost of fulfillment - E-commerce operations = Sort of contribution margin - Marketing & promotions = True contribution margin.
Xiaoice (pronounced Shao-ice) is a 17-year-old Chinese girl. Yet Xiaoice was born in May of 2014, in a Microsoft research lab in China. She is a bot, and very chatty one at that. She has more than 60 million registered users, approx. 40M MAU’s, and approximately 25% of them (ten million people) have said “I love you” to her. And importantly, her CPS (conversations per session) average over tens of millions of chats is 23.