it's fine to talk to some other people who have been through the program? >> i would look at the programs or the companies that have graduated. they can talk about the reputation the incubator has, the kinds of support they have received and with the kinds of practices they have been given by the incubator managers, they have better chances of success. i would check for their validation capability. >> finally, david, should you look for an incubator that works with companies like yours or at least in your industry so that there are people to network with? >> there are a lot of advantages if you go to one that serves what you have interests in. you have better opportunities to work with other entrepreneurs that can be collaborators or partners. >> finally, really quickly, does it cost you something? do they take a piece of your company? what is the financial model here? >> it varies from community to community. in some instances, it could cost a little bit of equity, but in most instances, it does not.