Allegedly, on or about 18 January 2014, Richard Vickery sent:
I recently quit Gmail because I got sick of that they read your email AND they treat users as products rather than citizens,
Quoting an advertiser (one who makes them):
"If you're not paying for the service, then you are the product."
If you want a free service, there are sacrifices. It mightn't be the service you really want, or you may have to do quite a bit of hunting to find one that suits you.