Sure, so a couple of things, right. We, our headcount, this year, of course, went up when we acquired MarkLogic. Right, I mean, that's a -- that was an acquisition, they came with a bunch of employees. We didn't, of course, bring everybody on board. But a significant number of employees joined Progress because of the MarkLogic acquisition. In general, our headcount is flat, and we are not really hiring aggressively except for replacing people that turnover, right, fundamentally, we keep our headcount approximately flat, and Anthony, if you want feel free to add to that. I don't think that from a product investment perspective, and in the R&D side, and entering side we run a very lean organization overall. And one of the ways we sustain the retention of our customers whether it is gross retention, as well as net retention, which is really remarkable, is by investing in the products, so that the products continue to get better, continue to stay competitive and stay relevant. And we don't, but we're very, very careful, right, we, it isn't as though we've got people sitting around and drinking not doing real productive work, that is helping move the needle on our retention and expansion efforts, as well as winning some new customers. So it is all we measure it, we track it, we measure performance. And so we are continuing to invest appropriately for the profiles of those businesses. And just a little bit more color on that some people say, well what percentage of revenue you might invest on a particular product, right, it is a combination of things, if it's a very large revenue number, right? The percentage of revenue invested in the entering side on the product is less because of large denominator. But so the question really is what work do we need to do to keep our products competitive in the market, to make sure that they continue to be relevant, to make sure that our customers are happy. And that's what drives our entering investment.