Utilize the input text as a context reference, choose the right relationship between Gmail 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 Apps, introduced six months ago as a free service, already offers a collection of Web-based programs including Gmail e-mail, a shared calendar program and Google Talk instant messaging.

Answer: owned_by