Add YouTube, owned by Google, and Pinterest. Also, be aware that all those devices that transmit digital information, not just your smart phone but Fitbit and similar fitness devices, medical devices that send data to your doctor and your so-convenient remote controls all send your data to the companies that sell them, the feds, and whoever they choose to share it with.
Noted with interest that the YouTube meeting in May was held in a Masonic temple. Hmmm...
Probably should add in Pandora, iHeart, LinkedIn, etc. Probably all using Google’s data analytics.
I believe DuckDuckGo uses Google search base.