Only Facebook has a more obviously concentrated revenue stream - but Google is a close second. https://www.visualcapitalist.com/how-tech-giants-make-billions/ h

Only Facebook has a more obviously concentrated revenue stream - but Google is a close second. https://www.visualcapitalist.com/how-tech-giants-make-billions/ https://www.visualcapitalist.com/how-tech-giants-make-billio... is enlightening.