Google&#x27;s sales and marketing expense category consists of the following items (from their 10K) - some (perhaps most) of it is actually stock comp for sales &amp; marketing employees.<p>• Labor and facilities-related costs for our personnel engaged in sales and marketing, sales support, and certain
customer service functions;<p>• Advertising and promotional expenditures related to our products and services; and<p>• Stock-based compensation expense for our employees engaged in sales, sales support, and certain customer
service functions.