Unionizing or creating a standardized contract for software developers across the industry. I'm tired of companies breaking their own policies, eroding benefits, and having unrealistic expectations.
Political parties need to be refreshed and probably add more so there aren't just two mainstream ones. I hate that this election will be a choice between two corrupt, senile, old aholes.
Restructuring government spending and taxes. For example, property taxes funding education - it provides uneven funding based on the socioeconomic status of the locale and also provides a mechanism to throw the elderly out if their homes, or prevent that transfer of 'wealth' to the next generation (who likely need it). And the spending side is ridiculous with their turf fields, fancy new buildings, etc.
I could go on and on.
Relevant links: https://github.com/canonical-debate-lab/paper/blob/master/RE....
Room temperature superconductors also come to mind but I think that venture is somewhat better funded than Fusion.
All aggregators I know are driven by feedback loops, which lead to false negatives (good content with bad score) and chaotic behavior of what actually bubbles to the top.