This article about ways search engines and social media can influence you is fascinating.

“The proportion of people favouring the search engine’s top-ranked candidate increased by 48.4 per cent, and all five of our measures shifted toward that candidate. What’s more, 75 per cent of the people in the bias groups seemed to have been completely unaware that they were viewing biased search rankings.”

How the internet flips elections and alters our thoughts — Robert Epstein — Aeon Essays