Might've been mentioned here before, in which case I've missed it:

Psychologist: Big Tech Will Use "Subliminal Methods" To Shift 15 Million Votes On Election Day

The author says that Google and other social media giants “can shift opinions and votes in numerous ways that people can’t detect” via “a wide variety of subliminal methods of persuasion that can, in minutes, shift the voting preferences of 20 percent or more of undecided voters without anyone having the slightest idea they’ve been manipulated.”

https://www.zerohedge.com/political/psychologist-big-tech-will-use-subliminal-methods-shift-15-million-votes-election-day

https://www.theepochtimes.com/why-republicans-cant-win-in-2020_3247875.html