let's take a closer look in person with joe hogan. he's the ceo of align technology. mr. hogan, welcome back to "mad money." >> great to see you. >> have a seat. >> thank you. >> all right. now, we did a segment after speaking to you where we said that we're in a selfie generation worldwide. worldwide. and it seems like the more we have high-resolution cameras, the more we take our pictures, the more we post them on instagram, snapchat, facebook, we need you. how big is the total addressable market worldwide if everybody joined the selfie generation? >> oh, you know, worldwide you're 300 million, 400 million patients. it's really incredible when you think of it. just in north america alone is 100 million patients. >> what penetration do you have? >> 7%. >> how many people are still using the same old metal stuff. >> 93% of the market. >> how can that somebody. >> it's unbelievable, jim. >> i know that you had a summit in las vegas. when you do something like that, are there orthodontists or general practitioners who change their mind when they see what you have? >> these a

hogan, i want to play you something donald trump's campaign manager said this morning on this network on "morning joe." listen. >> i think we've got them on the run. they're sort of following our lead. they're sticking tim kaine in wisconsin, sticking hillary clinton in michigan. >> she says her team has the clinton campaign on the run. i'm going to channel my inner seth meyers here. really? do they really have clinton's camp back on their heels? >> for the first time in a long time, i think it's pretty obvious hillary clinton is on the defensive. she's not been in this position for quite some time. we've been litigating donald trump and his personality for the better part of a month. here we are in the last couple weeks of this campaign and it started basically with the three-pronged attack. first was obamacare -- >> which the trump campaign thought was effective. >> especially in a state like north carolina where you'll see a 34% increase in premiums in that state. then we also saw the pay to play scandals, clinton incorporated type language. a little muddled for most voters but they understand the