This excerpt taken from the NSR 10-Q filed Aug 15, 2005.
Sales and marketing. Sales and marketing expense increased $5.6 million due in large part to headcount additions to our sales and marketing team to focus on branding and product launches and the recording of stock-based compensation expense for non-employee option grants. In particular, personnel and employee related expenses, including stock-based compensation expense, increased $4.3 million due primarily to the acceleration of vesting on various non-employee stock options, and costs related to industry events and advertising increased $0.6 million. Sales and marketing expense as a percentage of revenue increased to 12.1% in the six months ended June 30, 2005, as compared to 11.5% for the six months ended June 30, 2004.