because your daughter really wants that pink castle thing. and you really don't want to pay more than you have to. only citi price rewind automatically searches for the lowest price. and if it finds one, you get refunded the difference. just use your citi card and register your purchase online. have a super sparkly day! ok. [ male announcer ] now all you need is a magic carriage. citi price rewind. start saving at citi.com/pricerewind. intellectual property and increasingly people talk about the source of innovation, ingenuity. everyone loves silicon valley. and we're talking about maybe some of the problems that are encroaching us in the silicon valley. the problems with how we regulate intellectual property. and why are those differences.