Sales & marketing is 49 million, R&D is 42 million. So, I guess the critical factor is the degree of user turnover. If they lose users too quickly, they need to

Sales & marketing is 49 million, R&D is 42 million. So, I guess the critical factor is the degree of user turnover. If they lose users too quickly, they need to keep spending big on sales & marketing. It doesn't seem like the sort of market where people jump ship quickly though, since once you've added the piece of code that integrates with their services, you'd only replace it if the other api is a lot cheaper or somehow more capable / reliable.