What is the relationship between dataxu and marketing in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Sales and marketing expenses are up 75% year-over-year, due to growth in headcount, including the inclusion of roughly two-thirds of acquired dataxu personnel, as well as increased marketing retail and merchandising costs.

Answer: industry