What is the relationship between Google Glass and Google 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.

(Adrian Wong Facebook) Adrian Wong, the former Google Glass lead electrical engineer who left the company last year to join Facebook-owned virtual reality startup Oculus, has quietly rejoined Google to work for parent company Alphabet, according to his LinkedIn page.

Answer: developer