these guys need to hawk their wares if they're to do anything else, says "b" lab co-founder jay coen gilbert. >> what "b" corps are doing is they're saying, "we're going to redefine what it means to be successful in business. we're perfectly happy to make money. we recognize that that's important, but we're not here to make money. we're here to make a difference and the money that we make helps fuel the difference we can make. >> reporter: but wait. socially responsible firms have been about to make the difference my entire career. so why is this year different? "b" lab co-founder bart houlahan: >> you have all the elements of a market place, yet it wasn't quite accelerating and then you put on top of it the financial collapse, when the broader public started to really doubt business and you create a positive alternative. all of a sudden, we're preaching to the choir. >> reporter: back at the "b" lab party, lawyer allen bromberger was skeptical that social mindedness spells success. >> if you have to pay 39 cents more for widgets to buy from a company that doesn't use child labor, you're not