Utilize the input text as a context reference, choose the right relationship between Facebook and Mark Zuckerberg 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.

Facebook founder Mark Zuckerberg and Microsoft billionaire Bill Gates today threw their weight and resources behind the goal of bringing Internet access to everyone in the world by 2020.

Answer: founded_by