reviews from other founders that have apps, and you're reviewing each other to build the reviews. that was a real benefit to us. people that kind of security that other people were validating our product. >> one is zoom info. it provides rich data on the companies and the hierarchy. who works in the structure, what divisions are they at, what are their names, phone numbers, and e-mail addresses. we work with a lot of providers product manufacturing. so how do we identify the executives to the actual roo regional representatives. so we have gone out and used that for our new generation purposes. one website that i love to use is type form. it creates forms for you. you can ask for first name, last name, any sort of question, and