1/2 "Ad-targeting, by its very nature, is opaque. The roadside billboard bearing a politician's controversial slogan can be pointed at and debated by all." twitter.com/EFF/status/132…
2/2 "Targeted ads can show different messages to different users, making it possible for politicians to "say the quiet part out loud" without their most extreme messaging automatically coming to light."
eff.org/deeplinks/2020…