Utilize the input text as a context reference, choose the right relationship between Chromecast and Google from the options. Options: 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.

Google unveiled an upgraded version of its popular Chromecast device that plugs into television screens to stream content wirelessly from the internet, with smartphones or tablets serving as controls.

Answer: developer