If I taped a dollar bill to every can of Coke and sold them for 50 cents and the sales of Coke exploded, would you say I put a marketing coup on Pepsi? This de

If I taped a dollar bill to every can of Coke and sold them for 50 cents and the sales of Coke exploded, would you say I put a marketing coup on Pepsi? This depends on whether you sell cans of Coke (boring) or convert people into Coke drinkers (very interesting to Coke). Chase invested $X to, effectively, purchase a portfolio of new users. Some members of that portfolio will be worth less than the average cost of acquisition. Some members will be worth much, much, much more. "Banks are full of dumb people who are bad at math" is one of hackers' common beliefs which is not just a vexatious tribal marker but also a really you-have-to-turn-off-your-abilities-to-perceive-the-world-truthfully-to-believe-this vexatious tribal marker.