Forgive me if I am less than lucid, I feel like I have a sack on my head.
Influential ideas?
Feminism, the critiques of power and hierarchy, not only how influential they have been on improving basic human rights, or the very least highlighting things that should be done much better.
Self-education, years back there was the tradition of the self educated working-class (as much by necessity as want) I hope that makes a resurgence.
More later, if mind permits