There's so many different business models out there, but when we think about scaling start ups, they really fall into mostly four categories. There's the sass category, whether it's a purtac or tec enable zendu. There's the product category, market place and ecom. And we're going to break down some of the accounting tips for them. The key take away is you don't want to go through if you know that you're going to go out for institutional investors.