There are a few futurists warning of this already. The battle of the past decade was about attention, and social medias ability to use up all of yours. The next battle is one of intimacy. That the bots will be good enough to form relationships with people and talk about things like politics with them over long periods of time. As much as you attempt to convince the bot to vote X or Y, or to change it's option on some social phenomenon it never have that societal impact. Meanwhile if you befriend the bot it could have a huge impact on your views.